browserName = navigator.appName;          
browserVer = parseInt(navigator.appVersion);

hasImageSupport = false;
relativePath2 = relativePath + "images/";
buttonName = new Array ('aboutus','contact_us','home','solutions','vms_team');

for (var cnt=0; cnt < buttonName.length; cnt++) {
	eval ('var '+buttonName[cnt]+'_on = new Image();');
	eval (buttonName[cnt] + '_on.src = "'+relativePath2 + buttonName[cnt] + '_btn_on.gif"');
	eval ('var '+buttonName[cnt]+'_off = new Image();');
	eval (buttonName[cnt] + '_off.src = "'+relativePath2 + buttonName[cnt] + '_btn_off.gif"');
}	

if (browserName == "Netscape" && browserVer >= 3)
   hasImageSupport = true;
else if (browserVer > 3)
   hasImageSupport = true;

function buttonAction (imgName, isItOn) {   
  if (hasImageSupport) {
      if (isItOn) {	  
         document[imgName].src = eval(imgName + "_on.src");
      } else { 
            document[imgName].src = eval (imgName + "_off.src");
      }
   }
}

hasClearedLogin = false;
function clearLoginArea () {
	if (hasClearedLogin) return;

	document.loginarea.useremail.value = "";
	document.loginarea.userpassword.value = "";

	var oElem = document.loginarea.userpassword;
	var oNewElem = document.createElement("<Input class=Login type=Password Id=userpassword name=userpassword size=20>");
	oElem.replaceNode(oNewElem);
	hasClearedLogin = true;
	document.loginarea.useremail.focus();
}