function HideBox(id) { 
        obj = document.getElementById(id);
        if (obj.style.visibility == 'visible'){
        obj.style.visibility = 'hidden';
        obj.style.height = '0px';
        }
    }
  function ShowBox(id,str,x,y,e) { 
    
		posx=0;posy=0;
   		scrollXY = getScrollXY();
		var ev=(!e)?window.event:e;//Moz:IE
		if (ev.pageX){posx=ev.pageX;posy=ev.pageY;}//Mozilla or compatible
			else 
		if(ev.clientX){posx=ev.clientX+scrollXY[0];posy=ev.clientY+scrollXY[1];}//IE or compatible
        obj = document.getElementById(id);
		if(obj.style.visibility == 'visible') return;
		if(obj.style.visibility == 'visible') return;
        obj.style.visibility = 'visible';        
        obj.style.height = 'auto';
        obj.style.left =posx - x + 'px';
        obj.style.width = 'auto';
        obj.style.top = posy + - y  +'px';   
        obj.innerHTML = str;

      
//alert(""+obj[id].offsetHeight );
    
    }
	function GetTop(height)
	{

		dy = document.body.parentNode.clientWidth;
		mouseY = window.event.clientY+document.documentElement.scrollTop;
      //  alert("" + mouseY + "-" +height);
		if(dy - mouseY >= height)
		return mouseY;
		if(mouseY >= height)
		return mouseY - height;
		return 0;

	}