/**
* rollover (for image, input(image) Elements)
*/

function rollover() {
	if (!document.getElementById) return;
	
	// variable init
	var imagePreload = new Array();
	var targetCode   = new Array();
	var temp;
	
	// get imgElements
	imgArray     = document.getElementsByTagName('img');
	inputArray   = document.getElementsByTagName('input');
	
	// set targetCode
	for(var i=0; i<imgArray.length; i++){
		var classNameArray = imgArray[i].className.split(" ");
		for(var j=0; j<classNameArray.length; j++){
			if(classNameArray[j] == "rollover"){
				targetCode.push(imgArray[i]);
			}
		}
	}

	for(var i=0 ;i<inputArray.length; i++){
		if(inputArray[i].type == "image"){
			var classNameArray = inputArray[i].className.split(" ");
			for(var j=0; j<classNameArray.length; j++){
				if(classNameArray[j] == "rollover"){
					targetCode.push(inputArray[i]);
				}
			}
			
		}
	}

	// setEvent for targetCode
	for (var i=0; i < targetCode.length; i++) {
		var src       = targetCode[i].getAttribute('src');
		var suffix    = src.substring(src.lastIndexOf('.'), src.length);
		var srcOver   = src.replace(suffix, '_over' + suffix);

		targetCode[i].setAttribute('srcOver', srcOver);
		
		imagePreload[i] = new Image();
		imagePreload[i].src = srcOver;
		
		targetCode[i].onmouseover = function() {
			temp = this.getAttribute('src');
			this.setAttribute('src', this.getAttribute('srcOver'));
		}	
		
		targetCode[i].onmouseout = function() {
			if (!temp){
				temp = this.getAttribute('src').replace('_over' + suffix, suffix);
			}
			this.setAttribute('src', temp);
		}
	}
}

window.onload = rollover;


function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}


<!--
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->