// JavaScript Document
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 replaceImgSrc(event){
	element = event.element();
	normalStr = "_normal";
	overStr = "_over";
	imgSrcStr = element.src;
	if(element.hasClassName('active')){
		return;
	}
	if(imgSrcStr.indexOf("_normal")!=-1){
		element.src = element.src.replace(normalStr,overStr)
	}else{
		element.src = element.src.replace(overStr,normalStr)
	}
}
document.observe('dom:loaded',function(){
	$(document.body).select('img').each(function(element){
		if(element.src.indexOf('_normal')!=-1 || element.src.indexOf('_over')!=-1){
			element.observe('mouseover',replaceImgSrc).observe('mouseout',replaceImgSrc)
		}
		MM_preloadImages(element.src);
		imgSrcStr = element.src;
		if(element.src.indexOf('normal')!=-1){
			imgSrcStr = element.src.replace("_normal","_over");
			MM_preloadImages(imgSrcStr);
		}
	})
})