function changeurl(url) {
	window.location = url;
}

function getposleft(obj){
	left = obj.offsetLeft;
	
	while((obj = obj.offsetParent) != null)
	{
		left += obj.offsetLeft;
	}
	
	return left;
}

function getpostop(obj)
{
	top = obj.offsetTop;
	
	while((obj = obj.offsetParent) != null)
	{
		top += obj.offsetTop;
	}
	
	return top;
}


function showhide(obj, id) {
	if(document.getElementById) {
		object = document.getElementById(id);
	} else if(document.all) {
		object = document.all[id];
	}
	else if(document.layers) {
		object = document.layers[id];
	}
	
	if(object.style.display == "block"){
		object.style.display = "none";
	} else {
		object.style.width = "100px"; 
		
		width = parseInt(object.style.width) ? parseInt(object.style.width) : object.offsetWidth;
		
		object.style.display = "block";
		object.style.position = "absolute";
		
		object.style.left = parseInt(getposleft(obj) - width - 11) +"px";
		object.style.top = parseInt(getpostop(object)) +"px";
		
		object.style.zIndex = 100;
	}
}