function preview(e)
{
	src =this.src.replace("/thumb/","/large/");
	pImg = document.getElementById("preview_img");
	pImg.onload = function (){
		this.style.display="block";
	}
	pImg.src = src;
	if(e) {
		e.x = e.pageX;
		e.y = e.pageY;
		evt = e;
		if (evt.y > 600) {
			evt.y = eval(evt.y - 300);
		} else {
			evt.y = 200;
		}
	}else{
		evt = window.event;
	}
	pImg.style.left=(evt.x+10)+"px";
	pImg.style.top=(evt.y)+"px";
}

function initPreview()
{
	pImg = document.getElementById("preview_img");
	pImg.style.display="none";
}