var Util = new function()
{
	this.getScrollXY = function() 
	{
		var scrOfX = 0, scrOfY = 0;
		if( typeof( window.pageYOffset ) == 'number' ) {
			//Netscape compliant
			scrOfY = window.pageYOffset;
			scrOfX = window.pageXOffset;
		} else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
			//DOM compliant
			scrOfY = document.body.scrollTop;
			scrOfX = document.body.scrollLeft;
		} else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
			//IE6 standards compliant mode
			scrOfY = document.documentElement.scrollTop;
			scrOfX = document.documentElement.scrollLeft;
		}
		return {left:scrOfX,top:scrOfY};
	};

    this.getScreenSize = function()
    {
        var width = document.all ? document.body.clientWidth : window.innerWidth;
        var height = document.all ? document.body.clientHeight : window.innerHeight;
        return {'width':width, 'height':height};
    };
};