function intPageHeight() {
	// http://www.quirksmode.org/viewport/compatibility.html
	var x,y;
	var test1 = document.body.scrollHeight;
	var test2 = document.body.offsetHeight
	if (test1 > test2) // all but Explorer Mac
	{
		//x = document.body.scrollWidth;
		y = document.body.scrollHeight;
	}
	else // Explorer Mac;
	     //would also work in Explorer 6 Strict, Mozilla and Safari
	{
		//x = document.body.offsetWidth;
		y = document.body.offsetHeight;
	}
	return y;
}

function intPageWidth() {
	var x,y;
	var test1 = document.body.scrollHeight;
	var test2 = document.body.offsetHeight
	if (test1 > test2) // all but Explorer Mac
	{			
		x = document.body.scrollWidth;
	}
	else // Explorer Mac;
	     //would also work in Explorer 6 Strict, Mozilla and Safari
	{
		x = document.body.offsetWidth;		
	}
	return x;
}

function intScreenHeight() {
	// http://www.quirksmode.org/viewport/compatibility.html
	var x,y;
	if (self.innerHeight) // all except Explorer
	{
		// x = self.innerWidth;
		y = self.innerHeight;
	}
	else if (document.documentElement && document.documentElement.clientHeight)
		// Explorer 6 Strict Mode
	{
		// x = document.documentElement.clientWidth;
		y = document.documentElement.clientHeight;
	}
	else if (document.body) // other Explorers
	{
		// x = document.body.clientWidth;
		y = document.body.clientHeight;
	}
	
	return y;
}

function intScreenWidth() {
	// http://www.quirksmode.org/viewport/compatibility.html
	var x,y;
	if (self.innerHeight) // all except Explorer
	{
		x = self.innerWidth;			
	}
	else if (document.documentElement && document.documentElement.clientHeight)
		// Explorer 6 Strict Mode
	{
		x = document.documentElement.clientWidth;			
	}
	else if (document.body) // other Explorers
	{
		x = document.body.clientWidth;			
	}
	
	return x;
}

// http://www.quirksmode.org/viewport/compatibility.html
function YOffset() {
	var x,y;
	if (self.pageYOffset) // all except Explorer
	{		
		y = self.pageYOffset;
	}
	else if (document.documentElement && document.documentElement.scrollTop)
		// Explorer 6 Strict
	{		
		y = document.documentElement.scrollTop;
	}
	else if (document.body) // all other Explorers
	{		
		y = document.body.scrollTop;
	}

	return y;
}

function XOffset() {
	var x;
	if (self.pageYOffset) // all except Explorer
	{
		x = self.pageXOffset;
		
	}
	else if (document.documentElement && document.documentElement.scrollTop)
		// Explorer 6 Strict
	{
		x = document.documentElement.scrollLeft;
		
	}
	else if (document.body) // all other Explorers
	{
		x = document.body.scrollLeft;
	}

	return x;
}

function findPosX(obj)
{
	// http://www.quirksmode.org/js/findpos.html
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	// http://www.quirksmode.org/js/findpos.html
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}