function swapmenuCompany(obj){
document.getElementById('mcompany').style.display = "block";
document.getElementById('minvestor').style.display = "none";
document.getElementById('mproject').style.display = "none";
imgSwapMenuOn(obj)
}
function swapmenuProject(obj){
document.getElementById('mcompany').style.display = "none";
document.getElementById('minvestor').style.display = "none";
document.getElementById('mproject').style.display = "block";
imgSwapMenuOn(obj)
}
function swapmenuInvestor(obj){
document.getElementById('mcompany').style.display = "none";
document.getElementById('minvestor').style.display = "block";
document.getElementById('mproject').style.display = "none";
imgSwapMenuOn(obj)
}

function imgSwapMenuOn(oImg)
{
  clearImgOff()
  clearRootSubmenu()
  var strOver  = "_off"   
   var strOff = "_on" 
   var strImg = oImg.src

   oImg.src = strImg.replace(strOver,strOff)
   
}

function clearImgOff()
{
 //http://icweb.dyndns.info/grandeasset2008/

nav1=document.getElementById('navMenu1').src
nav2=document.getElementById('navMenu2').src
nav4=document.getElementById('navMenu4').src

document.getElementById('navMenu1').src="http://www.grandeasset.com/engine/nav/pri-01_off.png";
document.getElementById('navMenu2').src="http://www.grandeasset.com/engine/nav/pri-02_off.png";
document.getElementById('navMenu3').src="http://www.grandeasset.com/engine/nav/pri-03_off.png";

}

function clearRootSubmenu()
{
document.getElementById('rootSubMenu').style.display = "none";
}