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View Full Version : Sliding menu, any idea, please?



moisea
07-04-2007, 01:37 PM
hi, does anyone know where to find a script regarding this menu (http://www.apple.com/downloads/macosx/home_learning/index4.html) on the rigth titled "essentials", please!
i am not good at javascripting but really like it. and desperate to find out how it has been made.
help please.
many thanks.

vwphillips
07-04-2007, 10:47 PM
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>
<title></title>
<style type="text/css">
/*<![CDATA[*/
.item {
position:relative;height:50px;background-Color:#FFCC66;border:solid black 1px;
}

/*]]>*/
</style>
<script language="JavaScript" type="text/javascript">
<!--
// Change Left, Top, Width, Height, Color, Opacity (06-March-2007) DRAFT
// by Vic Phillips http://www.vicsjavascripts.org.uk

// To progressively change the Left, Top, Width, Height, Color, Opacity style
// (or other 'px' style properties) of an element over a specified period of time.

// **** Application Notes

// **** The HTML Code
//
// when moving an element the inline or class rule style position of the element should be assigned as
// 'position:relative;' or 'position:absolute;'
// If not assigned the style position of the element will be assigned as 'position:absolute;' by the script.
//
// The element would normally be assigned a unique ID name.
//

// **** Executing the Effect(Script)
//
// The effect is executed by an event call to function 'zxcChangeLTWHCO('left','tst1',[20,260],2000);'
// where:
// parameter 0 = 'left', 'top', 'width', 'height', 'color', 'background-Color', 'opacity' etc. (string)
// Note: the first character after the hyphen must be be upper case, all others lower case.
// With the exception of opacity and color the property value units is in 'px'.
// parameter 1 = the unique ID name or element object. (string or element object)
// parameter 1 = the start position of the effect. (digits, for opacity minimum 0, maximum 100)
// parameter 2 = the finish position of the effect. (digits, for opacity minimum 0, maximum 100)
// parameter 3 = (optional) there are two types of progressive change 'sin' and 'cos' plus a liner change. ('sin', 'cos' or liner, defaults to liner)
// 'sin' progression starts fast and ends slow.
// 'cos' progression starts slow and ends fast.
// parameter 4 = (optional) period of time between the start and finish of the effect in milliseconds. (digits or defaults to 2000 milliSeconds)
//
// The function may be re-executed with a different set of parameters (start/finish time, progression type or period)
// whenever required, say from an onclick/mouseover/out event. The original progression type and period parameters
// will be retained unless re-specified, the start and finish parameters must be specified.
//

// **** General
//
// All variable, function etc. names are prefixed with 'zxc' to minimise conflicts with other JavaScripts.
// These characters may be changed to characters of choice using global find and replace.
//
// The Functional Code (about 3.7K) is best as an External JavaScript.
//
// Tested with IE7 and Mozilla FireFox on a PC.
//



// **** Functional Code - NO NEED to Change

var zxcOOPCnt=0;

function zxcChangeLTWHCO(zxcmde,zxcobj,zxcsrt,zxcfin,zxccurve,zxctime,zxcplot){
if (typeof(zxcobj)=='string'){ zxcobj=document.getElementById(zxcobj); }
if (!zxcobj||(!zxcsrt&&!zxcfin)) return;
var zxcoop=zxcobj[zxcmde.replace('-','')+'oop'];
if (zxcoop) zxcoop.cngparameters(zxcmde,[zxcsrt,zxcfin],zxccurve,zxctime,zxcplot);
else zxcobj[zxcmde.replace('-','')+'oop']=new zxcLTWHCOOOP(zxcmde,zxcobj,[zxcsrt,zxcfin],zxccurve,zxctime,zxcplot);
}

function zxcLTWHCOOOP(zxcmde,zxcobj,zxcsrtfin,zxccurve,zxctime,zxcplot){
if (zxcsrtfin[0]==zxcsrtfin[1]) return;
if (zxcStyleValue(zxcobj,'position')=='static'&&(zxcmde=='left'||zxcmde=='top')) zxcobj.style.position='absolute';
this.to=null;
this.ref='zxcltwhco'+zxcOOPCnt++;
window[this.ref]=this;
this.obj=zxcobj;
this.cngparameters(zxcmde,zxcsrtfin,zxccurve,zxctime,zxcplot);
}

zxcLTWHCOOOP.prototype.cngparameters=function(zxcmde,zxcsrtfin,zxccurve,zxctime,zxcplot){
clearTimeout(this.to);
this.mde=this.mde||zxcmde;
zxccurve=zxccurve||this.curve||'';
this.time=zxctime||this.time||2000;
if (zxcsrtfin[0]==zxcsrtfin[1]) return;
for (var zxc0=0;zxc0<zxcsrtfin.length;zxc0++){
var zxcobj=document.getElementById(zxcsrtfin[zxc0]);
if (zxcobj){ zxcsrtfin[zxc0]=zxcStyleValue(zxcobj,zxcmde); if (!this.mde.match('olor')) zxcsrtfin[zxc0]=parseInt(zxcsrtfin[zxc0]); }
if (zxcsrtfin[zxc0]==0) zxcsrtfin[zxc0]=0.00001;
}
if (this.mde=='opacity'&&(zxcsrtfin[0]<0||zxcsrtfin[0]>100||zxcsrtfin[0]<0||zxcsrtfin[0]>100)) return;
this.curve=zxccurve.charAt(0).toLowerCase();
this.sf=[(!zxcmde.match('olor'))?[zxcsrtfin[0]]:zxcRGBSplit(zxcsrtfin[0]),(!zxcmde.match('olor'))?[zxcsrtfin[1]]:zxcRGBSplit(zxcsrtfin[1]),[]];
this.srttime=new Date().getTime();
this.inc=Math.PI/(2*this.time);
this.cngltwhco();
}

zxcLTWHCOOOP.prototype.cngltwhco=function(){
var zxcms=new Date().getTime()-this.srttime;
for (var zxc0 in this.sf[1]){ this.sf[2][zxc0]=(this.curve=='s')?Math.floor((this.sf[1][zxc0]-this.sf[0][zxc0])*Math.sin(this.inc*zxcms)+this.sf[0][zxc0]):(this.curve=='c')?(this.sf[1][0])-Math.floor((this.sf[1][zxc0]-this.sf[0][zxc0])*Math.cos(this.inc*zxcms)):(this.sf[1][zxc0]-this.sf[0][zxc0])/this.time*zxcms+this.sf[0][zxc0]; }
this.cngstyle(this.sf[2]);
if (zxcms<this.time) this.setTimeOut('cngltwhco();',10);
else this.cngstyle(this.sf[1]);
}

zxcLTWHCOOOP.prototype.cngstyle=function(zxcltwhco){
if (this.mde.match('olor')) this.obj.style[this.mde.replace('-','')]='rgb('+zxcltwhco[0]+','+zxcltwhco[1]+','+zxcltwhco[2]+')';
else if (this.mde!='opacity') this.obj.style[this.mde.replace('-','')]=Math.max(zxcltwhco[0],0)+'px';
else this.opacity(zxcltwhco[0]);
}

zxcLTWHCOOOP.prototype.opacity=function(zxcopc){
if (zxcopc<0||zxcopc>100) return;
if (this.obj.style.MozOpacity!=null) this.obj.style.MozOpacity=(zxcopc/100)-.001;
else if (this.obj.style.opacity!=null) this.obj.style.opacity=(zxcopc/100)-.001;
else if (this.obj.style.filter!=null) this.obj.style.filter='alpha(opacity='+zxcopc+')';
else if (this.obj.KHTMLOpacity!=null) this.obj.KHTMLOpacity=(zxcopc/100)-.001;
}

zxcLTWHCOOOP.prototype.setTimeOut=function(zxcf,zxcd){
this.to=setTimeout('window.'+this.ref+'.'+zxcf,zxcd);
}

function zxcStyleValue(zxcel,zxcp){
if (zxcel.currentStyle) return zxcel.currentStyle[zxcp.replace('-','')];
return document.defaultView.getComputedStyle(zxcel,null).getPropertyValue(zxcp.toLowerCase());
}

function zxcRGBSplit(zxccol){
if (zxccol.match('#')){ zxccol=parseInt(zxccol.substring(1,3),16)+','+parseInt(zxccol.substring(3,5),16)+','+parseInt(zxccol .substring(5,7),16); }
zxccol=zxccol.replace(/[rgb()\s]/g,'').split(',');
return [parseInt(zxccol[0]),parseInt(zxccol[1]),parseInt(zxccol[2])];
}


//-->
</script>

<script language="JavaScript" type="text/javascript">
/*<![CDATA[*/
// By Vic Phillips (04-July-2007) http://www.vicsjavascripts.org.uk


// Functional Code - No Need to Change

function zxcInitSlideMenu(zxcid,zxcmax){
var zxcp=document.getElementById(zxcid);
var zxcclds=zxcNoTxtNodes(zxcp);
zxcp.data=[zxcclds[0],zxcclds[0].offsetHeight,zxcmax];
zxcES(zxcclds[0],{height:zxcmax+'px'});
for (var zxc0=0;zxc0<zxcclds.length;zxc0++){
zxcAddEvt(zxcclds[zxc0],'zxcSlideMenuOpen','mouseover');
}

}

function zxcSlideMenuOpen(){
var zxcp=this.parentNode;
if (this!=zxcp.data[0]){
zxcChangeLTWHCO('height',zxcp.data[0],zxcp.data[2],zxcp.data[1],'sin',1000);
zxcp.data[0]=this;
zxcChangeLTWHCO('height',zxcp.data[0],zxcp.data[1],zxcp.data[2],'sin',1000);
}
}


var zxcEvt=0;

function zxcES(zxcele,zxcstyle,zxcp,zxctxt){
if (typeof(zxcele)=='string'){ zxcele=document.createElement(zxcele); }
for (key in zxcstyle){ zxcele.style[key]=zxcstyle[key]; }
if (zxcp){ zxcp.appendChild(zxcele); }
if (zxctxt){ zxcele.appendChild(document.createTextNode(zxctxt)); }
return zxcele;
}

function zxcNoTxtNodes(zxcp){
var zxcclds=zxcp.childNodes,zxcary=[];
for (var zxca=0;zxca<zxcclds.length;zxca++){ if (zxcclds[zxca].nodeType!=1) zxcary.push(zxcclds[zxca]); }
for (var zxcb=0;zxcb<zxcary.length;zxcb++){ zxcp.removeChild(zxcary[zxcb]); }
return zxcclds;
}

function zxcEventAdd(zxco,zxct,zxcf) {
if ( zxco.addEventListener ){ zxco.addEventListener(zxct, function(e){ zxco[zxcf](e);}, false); }
else if ( zxco.attachEvent ){ zxco.attachEvent('on'+zxct,function(e){ zxco[zxcf](e); }); }
else {
var zxcPrev=zxco["on" + zxct];
if (zxcPrev){ zxco['on'+zxct]=function(e){ zxcPrev(e); zxco[zxcf](e); }; }
else { zxco['on'+zxct]=zxco[zxcf]; }
}
}


function zxcAddEvt(zxc,zxcfun,zxcevt){
zxc['zxcaddEvt'+zxcEvt]=window[zxcfun];
zxcEventAdd(zxc,zxcevt,'zxcaddEvt'+zxcEvt);
zxcEvt++;
}


/*]]>*/
</script></head>

<body onload="zxcInitSlideMenu('m1',100)">

<div id="m1" style="position:relative;width:100px;border:solid black 1px;" >
<div class="item" >Item 1</div>
<div class="item" >Item 2</div>
<div class="item" >Item 3</div>
<div class="item" >Item 4</div>
<div class="item" >Item 5</div>
</div>
</body>

</html>

vwphillips
07-05-2007, 12:27 AM
smother


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>
<title></title>
<style type="text/css">
/*<![CDATA[*/
.item {
position:relative;height:50px;background-Color:#FFCC66;border:solid black 1px;
}

/*]]>*/
</style>
<script language="JavaScript" type="text/javascript">
<!--
// Change Left, Top, Width, Height, Color, Opacity (06-March-2007) DRAFT
// by Vic Phillips http://www.vicsjavascripts.org.uk

// To progressively change the Left, Top, Width, Height, Color, Opacity style
// (or other 'px' style properties) of an element over a specified period of time.

// **** Application Notes

// **** The HTML Code
//
// when moving an element the inline or class rule style position of the element should be assigned as
// 'position:relative;' or 'position:absolute;'
// If not assigned the style position of the element will be assigned as 'position:absolute;' by the script.
//
// The element would normally be assigned a unique ID name.
//

// **** Executing the Effect(Script)
//
// The effect is executed by an event call to function 'zxcChangeLTWHCO('left','tst1',[20,260],2000);'
// where:
// parameter 0 = 'left', 'top', 'width', 'height', 'color', 'background-Color', 'opacity' etc. (string)
// Note: the first character after the hyphen must be be upper case, all others lower case.
// With the exception of opacity and color the property value units is in 'px'.
// parameter 1 = the unique ID name or element object. (string or element object)
// parameter 1 = the start position of the effect. (digits, for opacity minimum 0, maximum 100)
// parameter 2 = the finish position of the effect. (digits, for opacity minimum 0, maximum 100)
// parameter 3 = (optional) there are two types of progressive change 'sin' and 'cos' plus a liner change. ('sin', 'cos' or liner, defaults to liner)
// 'sin' progression starts fast and ends slow.
// 'cos' progression starts slow and ends fast.
// parameter 4 = (optional) period of time between the start and finish of the effect in milliseconds. (digits or defaults to 2000 milliSeconds)
//
// The function may be re-executed with a different set of parameters (start/finish time, progression type or period)
// whenever required, say from an onclick/mouseover/out event. The original progression type and period parameters
// will be retained unless re-specified, the start and finish parameters must be specified.
//

// **** General
//
// All variable, function etc. names are prefixed with 'zxc' to minimise conflicts with other JavaScripts.
// These characters may be changed to characters of choice using global find and replace.
//
// The Functional Code (about 3.7K) is best as an External JavaScript.
//
// Tested with IE7 and Mozilla FireFox on a PC.
//



// **** Functional Code - NO NEED to Change

var zxcOOPCnt=0;

function zxcChangeLTWHCO(zxcmde,zxcobj,zxcsrt,zxcfin,zxccurve,zxctime,zxcplot){
if (typeof(zxcobj)=='string'){ zxcobj=document.getElementById(zxcobj); }
if (!zxcobj||(!zxcsrt&&!zxcfin)) return;
var zxcoop=zxcobj[zxcmde.replace('-','')+'oop'];
if (zxcoop) zxcoop.cngparameters(zxcmde,[zxcsrt,zxcfin],zxccurve,zxctime,zxcplot);
else zxcobj[zxcmde.replace('-','')+'oop']=new zxcLTWHCOOOP(zxcmde,zxcobj,[zxcsrt,zxcfin],zxccurve,zxctime,zxcplot);
}

function zxcLTWHCOOOP(zxcmde,zxcobj,zxcsrtfin,zxccurve,zxctime,zxcplot){
if (zxcsrtfin[0]==zxcsrtfin[1]) return;
if (zxcStyleValue(zxcobj,'position')=='static'&&(zxcmde=='left'||zxcmde=='top')) zxcobj.style.position='absolute';
this.to=null;
this.ref='zxcltwhco'+zxcOOPCnt++;
window[this.ref]=this;
this.obj=zxcobj;
this.cngparameters(zxcmde,zxcsrtfin,zxccurve,zxctime,zxcplot);
}

zxcLTWHCOOOP.prototype.cngparameters=function(zxcmde,zxcsrtfin,zxccurve,zxctime,zxcplot){
clearTimeout(this.to);
this.mde=this.mde||zxcmde;
zxccurve=zxccurve||this.curve||'';
this.time=zxctime||this.time||2000;
if (zxcsrtfin[0]==zxcsrtfin[1]) return;
for (var zxc0=0;zxc0<zxcsrtfin.length;zxc0++){
var zxcobj=document.getElementById(zxcsrtfin[zxc0]);
if (zxcobj){ zxcsrtfin[zxc0]=zxcStyleValue(zxcobj,zxcmde); if (!this.mde.match('olor')) zxcsrtfin[zxc0]=parseInt(zxcsrtfin[zxc0]); }
if (zxcsrtfin[zxc0]==0) zxcsrtfin[zxc0]=0.00001;
}
if (this.mde=='opacity'&&(zxcsrtfin[0]<0||zxcsrtfin[0]>100||zxcsrtfin[0]<0||zxcsrtfin[0]>100)) return;
this.curve=zxccurve.charAt(0).toLowerCase();
this.sf=[(!zxcmde.match('olor'))?[zxcsrtfin[0]]:zxcRGBSplit(zxcsrtfin[0]),(!zxcmde.match('olor'))?[zxcsrtfin[1]]:zxcRGBSplit(zxcsrtfin[1]),[]];
this.srttime=new Date().getTime();
this.inc=Math.PI/(2*this.time);
this.cngltwhco();
}

zxcLTWHCOOOP.prototype.cngltwhco=function(){
var zxcms=new Date().getTime()-this.srttime;
for (var zxc0 in this.sf[1]){ this.sf[2][zxc0]=(this.curve=='s')?Math.floor((this.sf[1][zxc0]-this.sf[0][zxc0])*Math.sin(this.inc*zxcms)+this.sf[0][zxc0]):(this.curve=='c')?(this.sf[1][0])-Math.floor((this.sf[1][zxc0]-this.sf[0][zxc0])*Math.cos(this.inc*zxcms)):(this.sf[1][zxc0]-this.sf[0][zxc0])/this.time*zxcms+this.sf[0][zxc0]; }
this.cngstyle(this.sf[2]);
if (zxcms<this.time) this.setTimeOut('cngltwhco();',10);
else this.cngstyle(this.sf[1]);
}

zxcLTWHCOOOP.prototype.cngstyle=function(zxcltwhco){
if (this.mde.match('olor')) this.obj.style[this.mde.replace('-','')]='rgb('+zxcltwhco[0]+','+zxcltwhco[1]+','+zxcltwhco[2]+')';
else if (this.mde!='opacity') this.obj.style[this.mde.replace('-','')]=Math.max(zxcltwhco[0],0)+'px';
else this.opacity(zxcltwhco[0]);
}

zxcLTWHCOOOP.prototype.opacity=function(zxcopc){
if (zxcopc<0||zxcopc>100) return;
if (this.obj.style.MozOpacity!=null) this.obj.style.MozOpacity=(zxcopc/100)-.001;
else if (this.obj.style.opacity!=null) this.obj.style.opacity=(zxcopc/100)-.001;
else if (this.obj.style.filter!=null) this.obj.style.filter='alpha(opacity='+zxcopc+')';
else if (this.obj.KHTMLOpacity!=null) this.obj.KHTMLOpacity=(zxcopc/100)-.001;
}

zxcLTWHCOOOP.prototype.setTimeOut=function(zxcf,zxcd){
this.to=setTimeout('window.'+this.ref+'.'+zxcf,zxcd);
}

function zxcStyleValue(zxcel,zxcp){
if (zxcel.currentStyle) return zxcel.currentStyle[zxcp.replace('-','')];
return document.defaultView.getComputedStyle(zxcel,null).getPropertyValue(zxcp.toLowerCase());
}

function zxcRGBSplit(zxccol){
if (zxccol.match('#')){ zxccol=parseInt(zxccol.substring(1,3),16)+','+parseInt(zxccol.substring(3,5),16)+','+parseInt(zxccol .substring(5,7),16); }
zxccol=zxccol.replace(/[rgb()\s]/g,'').split(',');
return [parseInt(zxccol[0]),parseInt(zxccol[1]),parseInt(zxccol[2])];
}


//-->
</script>

<script language="JavaScript" type="text/javascript">
/*<![CDATA[*/
// By Vic Phillips (04-July-2007) http://www.vicsjavascripts.org.uk


// Functional Code - No Need to Change

function zxcInitSlideMenu(zxcid,zxcmax){
var zxcp=document.getElementById(zxcid);
var zxcclds=zxcNoTxtNodes(zxcp);
zxcp.data=[zxcclds[0],zxcclds[0].offsetHeight,zxcmax];
zxcES(zxcclds[0],{height:zxcmax+'px'});
for (var zxc0=0;zxc0<zxcclds.length;zxc0++){
zxcAddEvt(zxcclds[zxc0],'zxcSlideMenuOpen','mouseover');
}
}

function zxcSlideMenuOpen(){
var zxcp=this.parentNode;
if (this!=zxcp.data[0]){
zxcChangeLTWHCO('height',zxcp.data[0],parseInt(zxcStyleValue(zxcp.data[0],'height')),zxcp.data[1],'sin',1000);
zxcp.data[0]=this;
zxcChangeLTWHCO('height',zxcp.data[0],parseInt(zxcStyleValue(zxcp.data[0],'height')),zxcp.data[2],'sin',1000);
}
}


var zxcEvt=0;

function zxcES(zxcele,zxcstyle,zxcp,zxctxt){
if (typeof(zxcele)=='string'){ zxcele=document.createElement(zxcele); }
for (key in zxcstyle){ zxcele.style[key]=zxcstyle[key]; }
if (zxcp){ zxcp.appendChild(zxcele); }
if (zxctxt){ zxcele.appendChild(document.createTextNode(zxctxt)); }
return zxcele;
}

function zxcNoTxtNodes(zxcp){
var zxcclds=zxcp.childNodes,zxcary=[];
for (var zxca=0;zxca<zxcclds.length;zxca++){ if (zxcclds[zxca].nodeType!=1) zxcary.push(zxcclds[zxca]); }
for (var zxcb=0;zxcb<zxcary.length;zxcb++){ zxcp.removeChild(zxcary[zxcb]); }
return zxcclds;
}

function zxcStyleValue(zxcobj,zxcp){ // pass object and property, returns property value
if (zxcobj.currentStyle) return zxcobj.currentStyle[zxcp.replace('-','')];
return document.defaultView.getComputedStyle(zxcobj,null).getPropertyValue(zxcp.toLowerCase());
}

function zxcEventAdd(zxco,zxct,zxcf) {
if ( zxco.addEventListener ){ zxco.addEventListener(zxct, function(e){ zxco[zxcf](e);}, false); }
else if ( zxco.attachEvent ){ zxco.attachEvent('on'+zxct,function(e){ zxco[zxcf](e); }); }
else {
var zxcPrev=zxco["on" + zxct];
if (zxcPrev){ zxco['on'+zxct]=function(e){ zxcPrev(e); zxco[zxcf](e); }; }
else { zxco['on'+zxct]=zxco[zxcf]; }
}
}


function zxcAddEvt(zxc,zxcfun,zxcevt){
zxc['zxcaddEvt'+zxcEvt]=window[zxcfun];
zxcEventAdd(zxc,zxcevt,'zxcaddEvt'+zxcEvt);
zxcEvt++;
}


/*]]>*/
</script></head>

<body onload="zxcInitSlideMenu('m1',100)">

<div id="m1" style="position:relative;width:100px;border:solid black 1px;" >
<div class="item" >Item 1</div>
<div class="item" >Item 2</div>
<div class="item" >Item 3</div>
<div class="item" >Item 4</div>
<div class="item" >Item 5</div>
</div>
</body>

</html>

moisea
07-05-2007, 12:04 PM
thanks a lot Vic for your help, does images i want to use for the menu have to be the same size as the extended menu item or not.
also, what's the best site according to you for learning javascripts?
many thanks again vic...

vwphillips
07-05-2007, 09:06 PM
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>
<title></title>
<style type="text/css">
/*<![CDATA[*/
.item {
position:relative;height:50px;background-Color:#FFCC66;border:solid black 1px;
}

/*]]>*/
</style>
<script language="JavaScript" type="text/javascript">
<!--
// Change Left, Top, Width, Height, Color, Opacity (06-March-2007) DRAFT
// by Vic Phillips http://www.vicsjavascripts.org.uk

// To progressively change the Left, Top, Width, Height, Color, Opacity style
// (or other 'px' style properties) of an element over a specified period of time.

// **** Application Notes

// **** The HTML Code
//
// when moving an element the inline or class rule style position of the element should be assigned as
// 'position:relative;' or 'position:absolute;'
// If not assigned the style position of the element will be assigned as 'position:absolute;' by the script.
//
// The element would normally be assigned a unique ID name.
//

// **** Executing the Effect(Script)
//
// The effect is executed by an event call to function 'zxcChangeLTWHCO('left','tst1',[20,260],2000);'
// where:
// parameter 0 = 'left', 'top', 'width', 'height', 'color', 'background-Color', 'opacity' etc. (string)
// Note: the first character after the hyphen must be be upper case, all others lower case.
// With the exception of opacity and color the property value units is in 'px'.
// parameter 1 = the unique ID name or element object. (string or element object)
// parameter 1 = the start position of the effect. (digits, for opacity minimum 0, maximum 100)
// parameter 2 = the finish position of the effect. (digits, for opacity minimum 0, maximum 100)
// parameter 3 = (optional) there are two types of progressive change 'sin' and 'cos' plus a liner change. ('sin', 'cos' or liner, defaults to liner)
// 'sin' progression starts fast and ends slow.
// 'cos' progression starts slow and ends fast.
// parameter 4 = (optional) period of time between the start and finish of the effect in milliseconds. (digits or defaults to 2000 milliSeconds)
//
// The function may be re-executed with a different set of parameters (start/finish time, progression type or period)
// whenever required, say from an onclick/mouseover/out event. The original progression type and period parameters
// will be retained unless re-specified, the start and finish parameters must be specified.
//

// **** General
//
// All variable, function etc. names are prefixed with 'zxc' to minimise conflicts with other JavaScripts.
// These characters may be changed to characters of choice using global find and replace.
//
// The Functional Code (about 3.7K) is best as an External JavaScript.
//
// Tested with IE7 and Mozilla FireFox on a PC.
//



// **** Functional Code - NO NEED to Change

var zxcOOPCnt=0;

function zxcChangeLTWHCO(zxcmde,zxcobj,zxcsrt,zxcfin,zxccurve,zxctime,zxcplot){
if (typeof(zxcobj)=='string'){ zxcobj=document.getElementById(zxcobj); }
if (!zxcobj||(!zxcsrt&&!zxcfin)) return;
var zxcoop=zxcobj[zxcmde.replace('-','')+'oop'];
if (zxcoop) zxcoop.cngparameters(zxcmde,[zxcsrt,zxcfin],zxccurve,zxctime,zxcplot);
else zxcobj[zxcmde.replace('-','')+'oop']=new zxcLTWHCOOOP(zxcmde,zxcobj,[zxcsrt,zxcfin],zxccurve,zxctime,zxcplot);
}

function zxcLTWHCOOOP(zxcmde,zxcobj,zxcsrtfin,zxccurve,zxctime,zxcplot){
if (zxcsrtfin[0]==zxcsrtfin[1]) return;
if (zxcStyleValue(zxcobj,'position')=='static'&&(zxcmde=='left'||zxcmde=='top')) zxcobj.style.position='absolute';
this.to=null;
this.ref='zxcltwhco'+zxcOOPCnt++;
window[this.ref]=this;
this.obj=zxcobj;
this.cngparameters(zxcmde,zxcsrtfin,zxccurve,zxctime,zxcplot);
}

zxcLTWHCOOOP.prototype.cngparameters=function(zxcmde,zxcsrtfin,zxccurve,zxctime,zxcplot){
clearTimeout(this.to);
this.mde=this.mde||zxcmde;
zxccurve=zxccurve||this.curve||'';
this.time=zxctime||this.time||2000;
if (zxcsrtfin[0]==zxcsrtfin[1]) return;
for (var zxc0=0;zxc0<zxcsrtfin.length;zxc0++){
var zxcobj=document.getElementById(zxcsrtfin[zxc0]);
if (zxcobj){ zxcsrtfin[zxc0]=zxcStyleValue(zxcobj,zxcmde); if (!this.mde.match('olor')) zxcsrtfin[zxc0]=parseInt(zxcsrtfin[zxc0]); }
if (zxcsrtfin[zxc0]==0) zxcsrtfin[zxc0]=0.00001;
}
if (this.mde=='opacity'&&(zxcsrtfin[0]<0||zxcsrtfin[0]>100||zxcsrtfin[0]<0||zxcsrtfin[0]>100)) return;
this.curve=zxccurve.charAt(0).toLowerCase();
this.sf=[(!zxcmde.match('olor'))?[zxcsrtfin[0]]:zxcRGBSplit(zxcsrtfin[0]),(!zxcmde.match('olor'))?[zxcsrtfin[1]]:zxcRGBSplit(zxcsrtfin[1]),[]];
this.srttime=new Date().getTime();
this.inc=Math.PI/(2*this.time);
this.cngltwhco();
}

zxcLTWHCOOOP.prototype.cngltwhco=function(){
var zxcms=new Date().getTime()-this.srttime;
for (var zxc0 in this.sf[1]){ this.sf[2][zxc0]=(this.curve=='s')?Math.floor((this.sf[1][zxc0]-this.sf[0][zxc0])*Math.sin(this.inc*zxcms)+this.sf[0][zxc0]):(this.curve=='c')?(this.sf[1][0])-Math.floor((this.sf[1][zxc0]-this.sf[0][zxc0])*Math.cos(this.inc*zxcms)):(this.sf[1][zxc0]-this.sf[0][zxc0])/this.time*zxcms+this.sf[0][zxc0]; }
this.cngstyle(this.sf[2]);
if (zxcms<this.time) this.setTimeOut('cngltwhco();',10);
else this.cngstyle(this.sf[1]);
}

zxcLTWHCOOOP.prototype.cngstyle=function(zxcltwhco){
if (this.mde.match('olor')) this.obj.style[this.mde.replace('-','')]='rgb('+zxcltwhco[0]+','+zxcltwhco[1]+','+zxcltwhco[2]+')';
else if (this.mde!='opacity') this.obj.style[this.mde.replace('-','')]=Math.max(zxcltwhco[0],0)+'px';
else this.opacity(zxcltwhco[0]);
}

zxcLTWHCOOOP.prototype.opacity=function(zxcopc){
if (zxcopc<0||zxcopc>100) return;
if (this.obj.style.MozOpacity!=null) this.obj.style.MozOpacity=(zxcopc/100)-.001;
else if (this.obj.style.opacity!=null) this.obj.style.opacity=(zxcopc/100)-.001;
else if (this.obj.style.filter!=null) this.obj.style.filter='alpha(opacity='+zxcopc+')';
else if (this.obj.KHTMLOpacity!=null) this.obj.KHTMLOpacity=(zxcopc/100)-.001;
}

zxcLTWHCOOOP.prototype.setTimeOut=function(zxcf,zxcd){
this.to=setTimeout('window.'+this.ref+'.'+zxcf,zxcd);
}

function zxcStyleValue(zxcel,zxcp){
if (zxcel.currentStyle) return zxcel.currentStyle[zxcp.replace('-','')];
return document.defaultView.getComputedStyle(zxcel,null).getPropertyValue(zxcp.toLowerCase());
}

function zxcRGBSplit(zxccol){
if (zxccol.match('#')){ zxccol=parseInt(zxccol.substring(1,3),16)+','+parseInt(zxccol.substring(3,5),16)+','+parseInt(zxccol .substring(5,7),16); }
zxccol=zxccol.replace(/[rgb()\s]/g,'').split(',');
return [parseInt(zxccol[0]),parseInt(zxccol[1]),parseInt(zxccol[2])];
}


//-->
</script>

<script language="JavaScript" type="text/javascript">
/*<![CDATA[*/
// By Vic Phillips (04-July-2007) http://www.vicsjavascripts.org.uk


// Functional Code - No Need to Change

function zxcInitSlideMenu(zxcid,zxcmax){
var zxcp=document.getElementById(zxcid);
var zxcclds=zxcNoTxtNodes(zxcp);
zxcp.data=[zxcclds[0]];
var zxcmax=parseInt(zxcclds[1].className.replace(/\D/g,''));
var zxcmin=(parseInt(zxcStyleValue(zxcp,'height'))-zxcmax)/(zxcclds.length-1);
for (var zxc0=0;zxc0<zxcclds.length;zxc0++){
zxcES(zxcclds[zxc0],{height:((zxc0==0)?zxcmax:zxcmin)+'px'});
zxcAddEvt(zxcclds[zxc0],'zxcSlideMenuOpen','mouseover');
}
}

function zxcSlideMenuOpen(){
var zxcp=this.parentNode;
var zxcclds=zxcNoTxtNodes(zxcp);
var zxcmax=parseInt(this.className.replace(/\D/g,''));
var zxcmin=(parseInt(zxcStyleValue(zxcp,'height'))-zxcmax)/(zxcclds.length-1);
if (this!=zxcp.data[0]){
for (var zxc0=0;zxc0<zxcclds.length;zxc0++){
zxcChangeLTWHCO('height',zxcclds[zxc0],parseInt(zxcclds[zxc0].style.height),(zxcclds[zxc0]==this)?zxcmax:zxcmin,'sin',1000);
}
zxcp.data[0]=this;
}
}


var zxcEvt=0;

function zxcES(zxcele,zxcstyle,zxcp,zxctxt){
if (typeof(zxcele)=='string'){ zxcele=document.createElement(zxcele); }
for (key in zxcstyle){ zxcele.style[key]=zxcstyle[key]; }
if (zxcp){ zxcp.appendChild(zxcele); }
if (zxctxt){ zxcele.appendChild(document.createTextNode(zxctxt)); }
return zxcele;
}

function zxcNoTxtNodes(zxcp){
var zxcclds=zxcp.childNodes,zxcary=[];
for (var zxca=0;zxca<zxcclds.length;zxca++){ if (zxcclds[zxca].nodeType!=1) zxcary.push(zxcclds[zxca]); }
for (var zxcb=0;zxcb<zxcary.length;zxcb++){ zxcp.removeChild(zxcary[zxcb]); }
return zxcclds;
}

function zxcStyleValue(zxcobj,zxcp){ // pass object and property, returns property value
if (zxcobj.currentStyle) return zxcobj.currentStyle[zxcp.replace('-','')];
return document.defaultView.getComputedStyle(zxcobj,null).getPropertyValue(zxcp.toLowerCase());
}

function zxcEventAdd(zxco,zxct,zxcf) {
if ( zxco.addEventListener ){ zxco.addEventListener(zxct, function(e){ zxco[zxcf](e);}, false); }
else if ( zxco.attachEvent ){ zxco.attachEvent('on'+zxct,function(e){ zxco[zxcf](e); }); }
else {
var zxcPrev=zxco["on" + zxct];
if (zxcPrev){ zxco['on'+zxct]=function(e){ zxcPrev(e); zxco[zxcf](e); }; }
else { zxco['on'+zxct]=zxco[zxcf]; }
}
}


function zxcAddEvt(zxc,zxcfun,zxcevt){
zxc['zxcaddEvt'+zxcEvt]=window[zxcfun];
zxcEventAdd(zxc,zxcevt,'zxcaddEvt'+zxcEvt);
zxcEvt++;
}


/*]]>*/
</script></head>

<body onload="zxcInitSlideMenu('m1',100)">

<div id="m1" style="position:relative;overflow:hidden;height:300px;width:100px;border:solid black 1px;" >
<div class="item 100" >Item 1</div>
<div class="item 150" >Item 2</div>
<div class="item 80" >Item 3</div>
<div class="item 60" >Item 4</div>
<div class="item 60" >Item 5</div>
</div>
</body>

</html>



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