function showmenu1()
{
                             
document.getElementById('menudiv').style.display = 'block';
document.getElementById('Image4').src='images/tab_abt_us1.gif';
}
function hidemenu1()
{
                             
document.getElementById('menudiv').style.display = 'none';
document.getElementById('Image4').src='images/tab_abt_us.gif';
}

function showstaff()
{
                             
document.getElementById('menustaff').style.display = 'block';
document.getElementById('Image8').src='images/tab_facilty1.gif';
}
function hidestaff()
{
                             
document.getElementById('menustaff').style.display = 'none';
document.getElementById('Image8').src='images/tab_facilty.gif';
}


function showbuzz()
{
                             
document.getElementById('menubuzz').style.display = 'block';
document.getElementById('Image9').src='images/tab_press1.gif';
}
function hidebuzz()
{
                             
document.getElementById('menubuzz').style.display = 'none';
document.getElementById('Image9').src='images/tab_press.gif';
}


function showalumni()
{
                             
document.getElementById('menualumni').style.display = 'block';
document.getElementById('Image10').src='images/tab_alumni1.gif';
}
function hidealumni()
{
                             
document.getElementById('menualumni').style.display = 'none';
document.getElementById('Image10').src='images/tab_alumni.gif';
}

function showcareers()
{
                             
document.getElementById('menucareers').style.display = 'block';
document.getElementById('Image18').src='images/tab_careers1.gif';
}
function hidecareers()
{
                             
document.getElementById('menucareers').style.display = 'none';
document.getElementById('Image18').src='images/tab_careers.gif';
}


function showfaci()
{
                             
document.getElementById('menufaci').style.display = 'block';
document.getElementById('Image6').src='images/tab_facilities1.gif';
}
function hidefaci()
{
                             
document.getElementById('menufaci').style.display = 'none';
document.getElementById('Image6').src='images/tab_facilities.gif';
}



function showresearch()
{
                             
document.getElementById('menuresearch').style.display = 'block';
document.getElementById('Image7').src='images/tab_research1.gif';
}
function hideresearch()
{
                             
document.getElementById('menuresearch').style.display = 'none';
document.getElementById('Image7').src='images/tab_research.gif';
}



function showap()
{
                             
document.getElementById('menuap').style.display = 'block';
document.getElementById('Image5').src='images/tab_Academic1.gif';
}
function hideap()
{
                             
document.getElementById('menuap').style.display = 'none';
document.getElementById('Image5').src='images/tab_Academic.gif';
}
function showsubap()
{
                             
document.getElementById('menusubap').style.display = 'block';
document.getElementById('menuap').style.display = 'block';
document.getElementById('Image5').src='images/tab_Academic1.gif';
}
function hidesubap()
{
                             
document.getElementById('menusubap').style.display = 'none';
document.getElementById('Image5').src='images/tab_Academic.gif';
}

function showsubap1()
{
                             
document.getElementById('menusubap1').style.display = 'block';
document.getElementById('menuap').style.display = 'block';
document.getElementById('Image5').src='images/tab_Academic1.gif';
}
function hidesubap1()
{
                             
document.getElementById('menusubap1').style.display = 'none';
document.getElementById('Image5').src='images/tab_Academic.gif';
}

function showsubap2()
{
                             
document.getElementById('menusubap2').style.display = 'block';
document.getElementById('menuap').style.display = 'block';
document.getElementById('Image5').src='images/tab_Academic1.gif';
}
function hidesubap2()
{
                             
document.getElementById('menusubap2').style.display = 'none';
document.getElementById('Image5').src='images/tab_Academic.gif';
}


function showpop(id)
{                             
document.getElementById(id).style.display = 'block';
}
function hidepop(id)
{                             
document.getElementById(id).style.display = 'none';
}

function showvid(id1)
{                             
	document.getElementById(id1).style.display = 'block';
}
function hidevid(id2,id3)
{                             
	document.getElementById(id2,id3).style.display = 'none';
}

function switchvid(v1){ 
var thearray= new Array("vid1","vid2","vid3"); 
for(i=0; i<thearray.length; i++){ 
      if(thearray[i] == v1){ 
            document.getElementById(v1).style.display="block"; 
      }else{ 
            document.getElementById(thearray[i]).style.display="none"; 
      } 
   } 
}