function toggle(id){
	ul = id + "Ul";
	img = id + "Img";
	ulElement = document.getElementById(ul);
	imgElement = document.getElementById(img);
	if (id, ulElement){
		if (ulElement.className == 'off' && id == 'cosmetic') {
			ulElement.className = "on";
			imgElement.src = "images/leftColArrow_open.gif";
			document.getElementById("restoUl").className = "off";
			document.getElementById("restoImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("orthoUl").className = "off";
			document.getElementById("orthoImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("neuroUl").className = "off";
			document.getElementById("neuroImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("familyUl").className = "off";
			document.getElementById("familyImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("perioUl").className = "off";
			document.getElementById("perioImg").src = "images/leftColArrow_closed.gif";
		} else if (ulElement.className == 'off' && id == 'resto') {
			ulElement.className = "on";
			imgElement.src = "images/leftColArrow_open.gif";
			document.getElementById("cosmeticUl").className = "off";
			document.getElementById("cosmeticImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("orthoUl").className = "off";
			document.getElementById("orthoImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("neuroUl").className = "off";
			document.getElementById("neuroImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("familyUl").className = "off";
			document.getElementById("familyImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("perioUl").className = "off";
			document.getElementById("perioImg").src = "images/leftColArrow_closed.gif";
		} else if (ulElement.className == 'off' && id == 'ortho') {
			ulElement.className = "on";
			imgElement.src = "images/leftColArrow_open.gif";
			document.getElementById("cosmeticUl").className = "off";
			document.getElementById("cosmeticImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("restoUl").className = "off";
			document.getElementById("restoImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("neuroUl").className = "off";
			document.getElementById("neuroImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("familyUl").className = "off";
			document.getElementById("familyImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("perioUl").className = "off";
			document.getElementById("perioImg").src = "images/leftColArrow_closed.gif";
		} else if (ulElement.className == 'off' && id == 'neuro') {
			ulElement.className = "on";
			imgElement.src = "images/leftColArrow_open.gif";
			document.getElementById("cosmeticUl").className = "off";
			document.getElementById("cosmeticImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("restoUl").className = "off";
			document.getElementById("restoImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("orthoUl").className = "off";
			document.getElementById("orthoImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("familyUl").className = "off";
			document.getElementById("familyImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("perioUl").className = "off";
			document.getElementById("perioImg").src = "images/leftColArrow_closed.gif";
		} else if (ulElement.className == 'off' && id == 'family') {
			ulElement.className = "on";
			imgElement.src = "images/leftColArrow_open.gif";
			document.getElementById("cosmeticUl").className = "off";
			document.getElementById("cosmeticImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("restoUl").className = "off";
			document.getElementById("restoImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("orthoUl").className = "off";
			document.getElementById("orthoImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("neuroUl").className = "off";
			document.getElementById("neuroImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("perioUl").className = "off";
			document.getElementById("perioImg").src = "images/leftColArrow_closed.gif";
		} else if (ulElement.className == 'off' && id == 'perio') {
			ulElement.className = "on";
			imgElement.src = "images/leftColArrow_open.gif";
			document.getElementById("cosmeticUl").className = "off";
			document.getElementById("cosmeticImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("restoUl").className = "off";
			document.getElementById("restoImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("orthoUl").className = "off";
			document.getElementById("orthoImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("neuroUl").className = "off";
			document.getElementById("neuroImg").src = "images/leftColArrow_closed.gif";
			document.getElementById("familyUl").className = "off";
			document.getElementById("familyImg").src = "images/leftColArrow_closed.gif";
		} else {
			ulElement.className = "off";
			imgElement.src = "images/leftColArrow_closed.gif";
		}
	}
}
// strict compliant target _blank javascript
// http://www.sitepoint.com/article/standards-compliant-world
function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;
//begin dynamic copyright year script
cYear = new Date().getFullYear();
function writeYear() {
	document.write(cYear);
}
//end
// form replace start
function clearText(thefield) {if (thefield.defaultValue==thefield.value) { thefield.value = "" }}function replaceText(thefield) {if (thefield.value=="") { thefield.value = thefield.defaultValue }}
// form replace end