var contentHeight = 0;

function cascade(el) {
	dd = document.getElementById(el);
	dd.onmouseover = function() {this.className+=" over";}
	dd.onmouseout = function() {this.className=this.className.replace(" over", "");}
}

function img(t, c) {
t.className=c;
}

function mainmenu() {
	if (document.all&&document.getElementById) {		
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
					}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}

function resize(){  
var frame = document.getElementById("bx");  
var htmlheight = document.body.parentNode.scrollheight;  
var windowheight = window.innerheight;  
if ( htmlheight < windowheight ) { document.body.style.height = windowheight + "px"; frame.style.height = windowheight + "px"; }  
else { document.body.style.height = htmlheight + "px"; frame.style.height = htmlheight + "px"; }  
}

function getObj(name) {
				if (document.getElementById) {
					this.obj = document.getElementById(name);
					this.obj2 = document.getElementById(name);
					this.style = document.getElementById(name).style;
				} else if (document.all) {
					this.obj = document.all[name];
					this.obj2 = document.all[name];
					this.style = document.all[name].style;
				} else if (document.layers) {
					if (document.layers[name]) {
						this.obj = document.layers[name];
						this.obj2 = document.layers[name];
						this.style = document.layers[name];
					} else {
						this.obj = document.layers.name.layers[name];
						this.obj2 = document.layers.name.layers[name];
						this.style = document.layers.name.layers[name];
					}
				}
			}

function toggleLayer(divID, btn){
	var dl = document.getElementById(divID);
	var button = document.getElementById(btn);
	var searchB = document.getElementById("searchBtn");
	var contactB = document.getElementById("contactBtn");
	var contactLayer = document.getElementById("dropdownContact");
	var searchLayer = document.getElementById("dropdownSearch");
	button.onClick = button.blur();
	if (dl.style.visibility == "hidden"){dl.style.visibility = "visible"; button.className = "menuItemHover";
		if (divID == "dropdownSearch"){document.searchForm.Query.focus(); contactLayer.style.visibility = "hidden"; contactB.className = "menuItem";}
		if (divID == "dropdownContact"){searchLayer.style.visibility = "hidden"; searchB.className = "menuItem";}}
	else {dl.style.visibility = "hidden"; button.className = "menuItem";}}	
	
function vtMenuShowHide(button){
	var btn_plus = new getObj(button+"_plus");
	var btn_minus = new getObj(button+"_minus");
			
	if(btn_minus.style.visibility == 'visible') {
		btn_plus.style.visibility = 'visible';
		btn_plus.style.display = 'block';
		btn_minus.style.visibility = 'hidden';
		btn_minus.style.display = 'none';
	} else {
		btn_plus.style.visibility = 'hidden';
		btn_plus.style.display = 'none';
		btn_minus.style.visibility = 'visible';
		btn_minus.style.display = 'block';
	}
	
	var menu = document.getElementById("vtMenu");
	var content = document.getElementById("content");
	
	if (contentHeight == 0){
		contentHeight = content.offsetHeight - 32;
	}
	if(menu.offsetHeight > content.offsetHeight){
		content.style.height = menu.offsetHeight + 'px';
	}
	
	if (menu.offsetHeight < contentHeight) {
		content.style.height = contentHeight + 'px';
	}
	//return true;
}



function icons(description){document.getElementById("iconText").innerHTML=description}
		printer="Printer Friendly Version"
		email="Email Page To A Friend"
		
function ToMailer(a) { RE = /^(.+)\*(.+)$/; var launch = a.replace(RE,"mailto:$1@$2"); window.location = launch; }
function MM_displayStatusMsg(msgStr) { status=msgStr; document.MM_returnValue = true;}
function setActiveStyleSheet(title) {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
//    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title){a.disabled = false;};
//    };
  };
 // setTimeout("print()",10);
}