document.onmousemove=getMousePos; 
var posX=0,posy=0;
function getMousePos(e){
	if(document.all){
	posX=event.offsetX;
	posY=event.offsetY;
	}
	else
	{
	posX=e.pageX;
	posY=e.pageY;
	}

}

function switchMenu(obj)
{
var el = document.getElementById(obj);

if(el.style.display != "block")
{
el.style.display = "block";	
el.style.left=posX+"px";
el.style.top= posY-150+"px";


}
else
{
el.style.display = "none";
}

}