//findPos function is from http://www.quirksmode.org/js/findpos.html;
//where its workings are explained in more detail.
function findPos(obj) {
	var curleft = curtop = 0;
	
var winW = 630, winH = 460;

if (parseInt(navigator.appVersion)>3) {
 if (navigator.appName=="Netscape") {
  winW = window.innerWidth;
  winH = window.innerHeight;
 }
 if (navigator.appName.indexOf("Microsoft")!=-1) {
  winW = document.body.offsetWidth;
  winH = document.body.offsetHeight;
 }
}
	
	
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent ) {
		 	curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
		if(curleft+300>winW) curleft=winW-200;
	}
//		curleft=obj.offsetParent.offsetRight;
//		curleft=obj.offsetLeft+obj.offsetParent.offsetLeft
//		curleft=obj.offsetParent.offsetLeft
//		curleft+=75
//		if (obj.offsetParent.offsetLeft<100) curleft=obj.offsetParent.offsetLeft;
		return [curleft,curtop];
}

//Display a named menu, at the position of another object
function display_menu(parent,named)
{
	//get the named menu
	var menu_element = document.getElementById(named);
	//override the 'display:none;' style attribute
	menu_element.style.display = "";
	//get the placement of the element that invoked the menu...
	var placement = findPos(parent);
	//...and put the menu there
	menu_element.style.left = placement[0] + "px";
	menu_element.style.top = placement[1] + "px";
}


//Hide a named menu
function hide_menu(named)
{
	//get the named menu
	var menu_element = document.getElementById(named);
	//hide it with a style attribute
	menu_element.style.display = "none";
}