function Point(x,y) 
{  
	this.x = x;
	this.y = y; 
}

function  showDescription( e  , cid ,show )
{
  	var c = document.getElementById( cid );
	if ( show ){
		mouseLocation = new Point(-500,-500);
		if(!document.all)  //NS
		{
			mouseLocation.x = e.pageX;
			mouseLocation.y = e.pageY;
		}
		else               //IE
		{
			mouseLocation.x = event.x + document.body.scrollLeft;
			mouseLocation.y = event.y + document.body.scrollTop;
		}
		c.style.left = mouseLocation.x + 10;
		c.style.top = mouseLocation.y + 20;	
		c.style.display = "" ;
	}
	else {
		c.style.display = "none";
	}
  	
	return true;
}