// JavaScript Document
function desc(id)
{								
	var c = document.getElementById("cover");	
	var d = document.getElementById("desc");
	
	c.className = "coverEnabled";
	c.style.width = "100%";
	c.style.height = document.body.offsetHeight + "px";
	c.style.display = "block";
	
	//center element
	d.style.left = ((getDocumentWidth()/2)-325)+"px";

	new Ajax.Updater("desc", "news_detail.php", {
						method: "get",
						parameters: {id: id},
						onSuccess: function(transport) {
							document.getElementById("desc").style.display = "block";
							new Effect.ScrollTo('page_top');
							//new Effect.Appear("desc");
						}
	});
}

function close()
{
	document.getElementById("cover").style.display = "none";
	document.getElementById("desc").style.display = "none";
	/*new Effect.Parallel(
	[
		new Effect.Fade("desc", {sync: true}),
		new Effect.Fade("cover", {sync: true})
	]);*/
}

function getDocumentWidth()
{		
	if(document.documentElement)
	{
		return document.documentElement.innerWidth ? document.documentElement.innerWidth : document.documentElement.clientWidth;
	}
	else if(document.body)
	{
		return document.body.innerWidth ? document.body.innerWidth : document.body.clientWidth;
	}
	else
	{
		return 0;
	}
}

function calcDimensions(obj)
{
	var h = 0;		
	var w = 0;
	
	if(obj.offsetParent)
	{
		do {
			h = obj.offsetHeight;
			w = obj.offsetWidth;
		} while (obj = obj.offsetParent);
	}
	
	return [w, h];
}