// JavaScript Document
var currentTab ="NavHome";

function SetCurrentTab(Ctab){
	currentTab =Ctab;
}

function ShowCurrentTab(){
			  
	if (currentTab == "NavHome"){
		resetHome();
//		alert(currentTab);
	}
	else {

		parent.HideShowTab(currentTab);
//		 alert(currentTab);
	}
}


function HideShowTab(divtag){
	
	document.getElementById('NavHome').style.visibility = "visible";
	document.getElementById('NavHomeOver').style.visibility = "hidden";
	
	document.getElementById('NavAboutNCP').style.visibility = "visible";
	document.getElementById('NavAboutNCPOver').style.visibility = "hidden";
	document.getElementById('NavAboutNCPList').style.visibility = "hidden";
	
	document.getElementById('NavAdmiss').style.visibility = "visible";
	document.getElementById('NavAdmissOver').style.visibility = "hidden";
	document.getElementById('NavAdmissList').style.visibility = "hidden";
	
	document.getElementById('NavDept').style.visibility = "visible";
	document.getElementById('NavDeptOver').style.visibility = "hidden";
	document.getElementById('NavDeptList').style.visibility = "hidden";
	
	document.getElementById('NavRes').style.visibility = "visible";
	document.getElementById('NavResOver').style.visibility = "hidden";
	document.getElementById('NavResList').style.visibility = "hidden";
	
	document.getElementById('NavStudLife').style.visibility = "visible";
	document.getElementById('NavStudLifeOver').style.visibility = "hidden";
	document.getElementById('NavStudLifeList').style.visibility = "hidden";

	document.getElementById('NavProgramming').style.visibility = "visible";
	document.getElementById('NavProgrammingOver').style.visibility = "hidden";
	document.getElementById('NavProgrammingList').style.visibility = "hidden";
	
	document.getElementById('NavCommunity').style.visibility = "visible";
	document.getElementById('NavCommunityOver').style.visibility = "hidden";
	document.getElementById('NavCommunityList').style.visibility = "hidden";
	
	document.getElementById(divtag).style.visibility = "hidden";
	document.getElementById(divtag+'List').style.visibility = "hidden";
	document.getElementById(divtag+'Over').style.visibility = "visible";

}

function HideShow(divtag){
//	document.getElementById('NavListBG').style.visibility = "visible";

//	document.getElementById('NavHomeList').style.visibility = "hidden";
	if (divtag == "NavHome"){
		document.getElementById('NavHome').style.visibility = "hidden" ;
		document.getElementById('NavHomeOver').style.visibility = "visible";
	}
	else {

	document.getElementById('NavHome').style.visibility = "visible";
	document.getElementById('NavHomeOver').style.visibility = "hidden";
	
	document.getElementById('NavAboutNCP').style.visibility = "visible";
	document.getElementById('NavAboutNCPOver').style.visibility = "hidden";
	document.getElementById('NavAboutNCPList').style.visibility = "hidden";
	
	document.getElementById('NavAdmiss').style.visibility = "visible";
	document.getElementById('NavAdmissOver').style.visibility = "hidden";
	document.getElementById('NavAdmissList').style.visibility = "hidden";
	
	document.getElementById('NavDept').style.visibility = "visible";
	document.getElementById('NavDeptOver').style.visibility = "hidden";
	document.getElementById('NavDeptList').style.visibility = "hidden";
	
	document.getElementById('NavRes').style.visibility = "visible";
	document.getElementById('NavResOver').style.visibility = "hidden";
	document.getElementById('NavResList').style.visibility = "hidden";
	
	document.getElementById('NavStudLife').style.visibility = "visible";
	document.getElementById('NavStudLifeOver').style.visibility = "hidden";
	document.getElementById('NavStudLifeList').style.visibility = "hidden";

	document.getElementById('NavProgramming').style.visibility = "visible";
	document.getElementById('NavProgrammingOver').style.visibility = "hidden";
	document.getElementById('NavProgrammingList').style.visibility = "hidden";
	
	document.getElementById('NavCommunity').style.visibility = "visible";
	document.getElementById('NavCommunityOver').style.visibility = "hidden";
	document.getElementById('NavCommunityList').style.visibility = "hidden";
	
	document.getElementById(divtag).style.visibility = "hidden";
	document.getElementById(divtag+'List').style.visibility = "visible";
	document.getElementById(divtag+'Over').style.visibility = "visible";
	
	}
/*	
	setTimeout("resetHome()",40000);
	 use to open mainpage for each Nav tab - to be implemented in the index as archor tag
	if (divtag=='NavAdmiss'){
		parent.frames['mainContent'].location.href = "admissioncontent.html"; }
		
	*/
	/*resetTabBGImage();  use to reset tool tabs (Calendar, moodle, cps mail) */
}


function resetHome(){
//	document.getElementById('NavHomeList').style.visibility = "hidden";
	document.getElementById('NavHome').style.visibility = "hidden";
	document.getElementById('NavHomeOver').style.visibility = "visible";
	
	document.getElementById('NavAboutNCP').style.visibility = "visible";
	document.getElementById('NavAboutNCPOver').style.visibility = "hidden";
	document.getElementById('NavAboutNCPList').style.visibility = "hidden";
	
	document.getElementById('NavAdmiss').style.visibility = "visible";
	document.getElementById('NavAdmissOver').style.visibility = "hidden";
	document.getElementById('NavAdmissList').style.visibility = "hidden";
	
	document.getElementById('NavDept').style.visibility = "visible";
	document.getElementById('NavDeptOver').style.visibility = "hidden";
	document.getElementById('NavDeptList').style.visibility = "hidden";
	
	document.getElementById('NavRes').style.visibility = "visible";
	document.getElementById('NavResOver').style.visibility = "hidden";
	document.getElementById('NavResList').style.visibility = "hidden";
	
	document.getElementById('NavStudLife').style.visibility = "visible";
	document.getElementById('NavStudLifeOver').style.visibility = "hidden";
	document.getElementById('NavStudLifeList').style.visibility = "hidden";

	document.getElementById('NavProgramming').style.visibility = "visible";
	document.getElementById('NavProgrammingOver').style.visibility = "hidden";
	document.getElementById('NavProgrammingList').style.visibility = "hidden";
	
	document.getElementById('NavCommunity').style.visibility = "visible";
	document.getElementById('NavCommunityOver').style.visibility = "hidden";
	document.getElementById('NavCommunityList').style.visibility = "hidden";
	
}

function changeFontNTab(divtag) {
	document.getElementById(divtag).style.color = "#FFcc00";
	document.getElementById(divtag).style.backgroundImage ="url(bgimages/NavbarV.png)";
}

function changeFontNTabback(divtag) {
	document.getElementById(divtag).style.color = "#ffffff";
	document.getElementById(divtag).style.backgroundImage ="url(bgimages/NavbarA.png)";
}


function changeTabBGImage(divTab)


{

	resetTabBGImage();

	document.getElementById(divTab).style.backgroundImage ="url(../bgimages/NavbarV.png)";
}

/*
function resetTabBGImage()

{
	document.getElementById("navTab1").style.backgroundImage ="url(bgimages/NavbarA.png)";
	document.getElementById("navTab2").style.backgroundImage ="url(bgimages/NavbarA.png)";
	document.getElementById("navTab3").style.backgroundImage ="url(bgimages/NavbarA.png)";
//	document.getElementById("contentTab4").style.backgroundImage ="url(bgimages/tabbar.png)";
//	document.getElementById("contentTab5").style.backgroundImage ="url(bgimages/tabbar.png)";
}
*/
function changeFontcolor(divtag) {
	document.getElementById(divtag).style.color = "#FFcc00";
}

function changeFontcolorback(divtag) {
	document.getElementById(divtag).style.color = "#ffffff";
}


function changeBgcolor(divtag) {
	document.getElementById(divtag).style.backgroundColor = "#777777";
}

function changeBgcolorback(divtag) {
	document.getElementById(divtag).style.backgroundColor= "#000000";
}

<!-- change in header bars -->
function changeBarFontcolor(divtag) {
	document.getElementById(divtag).style.color = "#aaaaaa";
}

function changeBarFontcolorback(divtag) {
	document.getElementById(divtag).style.color = "#660000";
}

//function changeBarFontcolorback(divtag) {
//	document.getElementById(divtag).style.color = "#660000";
//}

function changeBarBgcolor(divtag) {
	document.getElementById(divtag).style.backgroundColor = "#ffffff";
}

function changeBarBgcolorback(divtag) {
	document.getElementById(divtag).style.backgroundColor= "#efeee9";
}
<!-- end of change in header bars -->

function change2DivBgColor(divtag) {
	document.getElementById(divtag).style.backgroundColor= "#000000";
	changeBarFontcolor(divtag);// change font to white
	
}

function change2DivBgColorBack(divtag) {
	document.getElementById(divtag).style.backgroundColor = "#777777";
	changeBarFontcolorback(divtag);// change font to grey	
}

function swap(toggleId, e)
{
 if (!document.getElementById) {
  return false;
 }
 var body = document.getElementById(toggleId);
 if (!body) {
  return false;
 } 
 var im = toggleId + "_toggle";
 if (body.style.display == 'none') {
  body.style.display = 'block';
  if (document.images[im]) {
   document.images[im].src = "../WebImages/arrowdownb.png";
  }
 } else {
  body.style.display = 'none';
  if (document.images[im]) {
   document.images[im].src = "../WebImages/arrowrightb.png";
  }
 }
}

function swapBlue(toggleId)
{
 var body = document.getElementById(toggleId);
 if (!body) {
  return false;
 }
 var im = toggleId + "_toggle";
 if (body.style.display == 'none') {
  body.style.display = 'block';
  if (document.images[im]) {
   document.images[im].src = "../buttons/arrowblueup.png";
  }
 } else {
  body.style.display = 'none';
  if (document.images[im]) {
   document.images[im].src = "../buttons/arrowbluedown.png";
  }
 }
}

function expand(toggleId, e)
{

 if (!document.getElementById) {
  return false;
 }
 var body = document.getElementById(toggleId);
 if (!body) {
  return false;
 } 
 var im = toggleId + "_toggle";

 if (body.style.display == 'none') {
  body.style.display = 'inline';
  if (document.images[im]) {
   document.images[im].src = "WebImages/arrowdownb.png";
  }
 } else {
  body.style.display = 'none';
  if (document.images[im]) {
   document.images[im].src = "WebImages/arrowrightb.png";
  }
 }
}