/*
 * IE 6 does not support LI:hover so we have to create listeners to add a hover class
*/

document.observe('dom:loaded', function() {
	if (document.all && !window.opera && !window.XMLHttpRequest) {
		// Only IE6

		sfHover = function() {
			var timeout 	= 600;
			var cssClass 	= "hover";
		
			var queue = [];
			var reCSS = new RegExp("\\b" + cssClass + "\\b");
			var sfEls = document.getElementById("main_menu").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, "");
				}
			}
		}
		
		sfHover();


	}
});







var T = {
	
	openWindow: function(url, params) {
			if (!url) return;
			
			var height 		= params.height || 300;
			var width 		= params.width 	|| 300;
			var scroll 		= params.scroll	|| 'no';
			var name 		= params.name 	|| 'PopWindow';

			var left		= (screen.width - width) / 2;
			var top 		= (screen.height - height) / 2;

			winprops 		= 'height='+height+',width='+width+',top='+top+',left='+left+',resizable=0,scrollbars='+scroll;
		
			openwindow = window.open(url, name, winprops);
			openwindow.focus();
	}
}