function showImage(event){
	try{
		var imgUrl = this.getAttribute("href");
		document.getElementById("detail").style.display="block";
		document.getElementById("detail-img").src = imgUrl;
		document.getElementById("dh-images").style.display = "none";
		if(event.preventDefault)
		{
			event.preventDefault();
			event.stopPropagation();
		}
		else{
			event.returnValue = false;
			event.cancelBubble = true;
		}
		return false;
	}catch(ex){
		alert(ex);
	}
}

function showYdt(){
		document.getElementById("detail").style.display="none";
		document.getElementById("dh-images").style.display = "block";
}