function getObject( obj ){
	var theObj;
	if (document.getElementById) { 
		theObj = document.getElementById(obj);
	}
	else{
		if(typeof obj == "string"){
			theObj = eval("document."+coll+obj+styleObj);
		}else{
			theObj = obj;
		}
	}
	return theObj;
}

function rollOver(imgId,imgSrc) {	
	var rollImg = document.getElementById(imgId);
	rollImg.src = imgSrc;
}

function hide( obj ){
		var theObj = getObject(obj);
		if (document.getElementById) {
			theObj.style.visibility = "hidden";
		}else{
		theObj.visibility = "hidden";
		}

}

function show( obj ){
		var theObj = getObject(obj);
		if (document.getElementById) {
			theObj.style.visibility = "visible";
		}else{
		theObj.visibility = "visible";
		}
}

var myimages=new Array()
function preloadImages(){
	for (i=0;i<preloadImages.arguments.length;i++){
	myimages[i]=new Image();
	myimages[i].src=preloadImages.arguments[i];
	}
}