function modSetPreviewImage(img_element){
	/*
	for(var i=0; i<document.getElementById(img_element.id+"Zoom").attributes.length; i++){
		alert(document.getElementById(img_element.id+"Zoom").attributes[i].nodeName)	
	}
	*/
	document.getElementById("modPreviewImage").src = img_element.src;
	for(var i = 0; i < img_element.parentNode.getElementsByTagName("img").length; i++){
		img_element.parentNode.getElementsByTagName("img")[i].className = "";	
	}
	img_element.className = "active";
	document.getElementById("modZoom").onclick=function(){
		myLightbox.start(document.getElementById(img_element.id+"Zoom"));		
	};
}