// JavaScript Document
function showStatus(sMsg) {//used often
	//setTimeout("window.status = \'" + sMsg + "\';", 0);
    window.status = sMsg ;
    return true ;
}
function openWindow(url,width,height){
	newWin = window.open(url, 'viewWin', 'toolbar=0,location=0,status=0,menubar=0,scrollbars=1,resizable=1,left='+(screen.width-width)/2+',top='+(screen.height-height)/2+',width=' + width + ',height=' + height + '');
}		

function changeImg(imgName,imgPre) {
	if(document.images){
		document.images[imgName].src = eval(imgPre + '.src');
	}
}

function changeStyle(obj, new_style) {
    obj.className = new_style;
}

sfHover = function() {
	var timeout = 500;
	var cssClass = "sfhover";

	var queue = [];
	var reCSS = new RegExp("\\b" + cssClass + "\\b");
	var sfEls = document.getElementById("topMenu").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {

		// mouseover and mouseout handlers for regular mouse based interface.
		sfEls[i].onmouseover = function() {
			queueFlush();
			this.className += " " + cssClass;
		}
		sfEls[i].onmouseout = function() {
			queue.push([setTimeout(queueTimeout, timeout), this]);
		}

		// focus and blur handlers for keyboard based navigation.
		sfEls[i].onfocus = function() {
			queueFlush();
			this.className += " " + cssClass;
		}
		sfEls[i].onblur = function() {
			queue.push([setTimeout(queueTimeout, timeout), this]);
		}

		// click event handler needed for tablet type interfaces (e.g. Apple iPhone).
		sfEls[i].onclick = function(e) {
			if (this.className.search(reCSS) == -1) {
				// CSS not set, so clear all sibling (and decendants) menus, and then set CSS on this menu...
				var elems = this.parentNode.getElementsByTagName("li");
				for (var i=0; i<elems.length; i++) {
					elems[i].className = elems[i].className.replace(reCSS, "");
				}
				this.className += " " + cssClass;
			} else {
				// CSS already set, so clear all decendant menus and then this menu...
				var elems = this.getElementsByTagName("li");
				for (var i=0; i<elems.length; i++) {
					elems[i].className = elems[i].className.replace(reCSS, "");
				}
				this.className = this.className.replace(reCSS, "");
			}
			if (e && e.stopPropagation)
				e.stopPropagation();
			else
				window.event.cancelBubble = true;
		}
	}

	queueFlush = function () {
		while (queue.length) {
			clearTimeout(queue[0][0]);
			queueTimeout();
		}
	}

	queueTimeout = function() {
		if (queue.length) {
			var el = queue.shift()[1];
			el.className = el.className.replace(reCSS, "");
		}
	}
}
//if (window.attachEvent) window.attachEvent("onload", sfHover);

function init() {//function call required as part of body onload event when google map used on a page
		sfHover();
		loadGoogleMap();
	}
addLoadEvent(sfHover);
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}