function rerender(){
var body = document.getElementsByTagName("centerdiv");
var xPos = document.body.offsetHeight;

var blackoverlay = document.getElementById("blackoverlay");
blackoverlay.style.height=xPos+"px";


var contenttext = document.getElementById("contenttext");
var servicelinks = document.getElementsByTagName("h6");
for (var i = 0; i < servicelinks.length; i++)
{
var newelem = document.createElement("a");
newelem.setAttribute("href","javascript:void(0)");
var h6old = servicelinks[i].childNodes[0].nodeValue;
var lightelem = "";
newelem.onclick = function(){
if (this.childNodes[0].nodeValue == "Support Services") {lightelem = "support"};
if (this.childNodes[0].nodeValue == "Maintenance Services") {lightelem = "maintenance"};
if (this.childNodes[0].nodeValue == "Networking Services") {lightelem = "networking"};
if (this.childNodes[0].nodeValue == "DVD/Video Services") {lightelem = "video"};
if (this.childNodes[0].nodeValue == "Network Design") {lightelem = "netdesign"};
if (this.childNodes[0].nodeValue == "Network Integration Services") {lightelem = "integration"};
if (this.childNodes[0].nodeValue == "Wireless Consulting") {lightelem = "wireless"};
if (this.childNodes[0].nodeValue == "Configuration/Installation") {lightelem = "configuration"};
if (this.childNodes[0].nodeValue == "Managed Network Services") {lightelem = "managed"};
if (this.childNodes[0].nodeValue == "Client/Server E-Business") {lightelem = "ebusiness"};
document.getElementById(lightelem).style.display='block';
document.getElementById('blackoverlay').style.display='block';
}

var h6text = document.createTextNode(h6old);
newelem.appendChild(h6text);
servicelinks[i].replaceChild(newelem, servicelinks[i].childNodes[0]);

}

}

function replacetext(obj){

obj.childNodes[0].style.display = "none";

/*obj = obj.childNodes;
for (var key in obj) {
  document.writeln(key + " => " +obj[key] + "<br />");
}*/

obj.childNodes[1].style.display = "inline-block";
}

function restoretext(obj){
obj.childNodes[1].style.display = "none";
obj.childNodes[0].style.display = "inline-block";
}