function PreloadImages ( ) 
{ 
	for ( var i = 1; i < arguments.length; i++ ) 
	{  
		var img = Image ( ); 
		img.src = arguments [ 0 ] + arguments [ i ]; 
		//alert ( img.src.toString ( ) ); 
	} 
} 

function findPos ( obj, id ) 
{
	//calculate top left corner of the html element (menu)
	var curleft = curtop = 0;
	if ( obj.offsetParent ) 
	{
		do 
		{
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		} while ( obj = obj.offsetParent );
	}
	
	//calculate offset based on the menu item (predefined)
	var topOffset = 0;
	var leftOffset = 0;

	//add current offset to the current html position to position the dropdown correctly
	curleft += leftOffset;
	curtop += topOffset;
	
	return [curleft,curtop];
}

//on resize window
function reset_link()
{
	var content_elem = document.getElementById('content');
	var link_elem = document.getElementById('home_link');
	link_elem.style.left = findPos(content_elem, 'content')[0].toString();
	link_elem.style.top = findPos(content_elem, 'content')[1].toString();	
}