// JavaScript Document
window.size = function()
{
	var w = 0;
	var h = 0;

	//IE
	if(!window.innerWidth)
	{
		//strict mode
		if(!(document.documentElement.clientWidth == 0))
		{
			w = document.documentElement.clientWidth;
			h = document.documentElement.clientHeight;
		}
		//quirks mode
		else
		{
			w = document.body.clientWidth;
			h = document.body.clientHeight;
		}
	}
	//w3c
	else
	{
		w = window.innerWidth;
		h = window.innerHeight;
	}
	return {width:w,height:h};
}

window.center = function()
{
	var hWnd = (arguments[0] != null) ? arguments[0] : {width:0,height:0};

	var _x = 0;
	var _y = 0;
	var offsetX = 0;
	var offsetY = 0;

	//IE
	if(!window.pageYOffset)
	{
		//strict mode
		if(!(document.documentElement.scrollTop == 0))
		{
			offsetY = document.documentElement.scrollTop;
			offsetX = document.documentElement.scrollLeft;
		}
		//quirks mode
		else
		{
			offsetY = document.body.scrollTop;
			offsetX = document.body.scrollLeft;
		}
	}
	//w3c
	else
	{
		offsetX = window.pageXOffset;
		offsetY = window.pageYOffset;
	}

	_x = ((this.size().width-hWnd.width)/2)+offsetX;
	_y = ((this.size().height-hWnd.height)/2)+offsetY;

	return{x:_x,y:_y};
}


function showCenter(point)
		{
			var div = document.createElement("div");
			div.style.background = "#dedede";
			div.style.position = "absolute";
			div.style.top = point.y + "px";
			div.style.left = point.x + "px";
			div.style.width = "100px";
			div.style.height = "100px";
			document.body.appendChild(div);
		}

function gantt_resize()	{
	document.getElementById('scroll').style.height=window.size().height-249-25;
	document.getElementById('gantt_chart').style.height=window.size().height-200;
	document.getElementById('gantt_chart').style.width=window.size().width-80;
}

function gantt_goto(position) {
	document.getElementById('scroll').scrollLeft=position;
	document.getElementById('dher_scroll').scrollLeft=document.getElementById('scroll').scrollLeft;
}

t=true;
function href(url) {
	if (t) {
	setTimeout("if (t) {window.location.href='"+url+"';}", 400);
	}

}

function gantt_expand(val) {
	t = false;
	expand(val);
	setTimeout("t = true;", 500);

}