var dimensions = {
	
	scrollX: 0,
	scrollY: 0,

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

		dimensions.scrollX = _x;
		dimensions.scrollY = _y;
	}
	
	
}