var browserType;

if (document.layers) {browserType = "nn4"}
if (document.all) {browserType = "ie"}
if (window.navigator.userAgent.toLowerCase().match("gecko")) {
 browserType= "gecko"
}

function show(divName) {
  if (browserType == "gecko" )
     document.poppedLayer = 
         eval('document.getElementById(divName)');
  else if (browserType == "ie")
     document.poppedLayer = 
        eval('document.getElementById(divName)');
  else
     document.poppedLayer = 
         eval('document.layers[divName]');
  if(document.poppedLayer.style.display =='' || document.poppedLayer.style.display =='none'){
  	document.poppedLayer.style.display = "inline";
  }
  else if(document.poppedLayer.style.display =='' || document.poppedLayer.style.display =='inline'){
  	document.poppedLayer.style.display = "none";
  }
}

function show2(divName,hideBlockName) {
  if (browserType == "gecko" ){
     document.poppedLayer = eval('document.getElementById(divName)');
     document.poppedLayerHide = eval('document.getElementById(hideBlockName)');
   }
  else if (browserType == "ie"){
     document.poppedLayer = eval('document.getElementById(divName)');
        document.poppedLayerHide =  eval('document.getElementById(hideBlockName)');
        }
  else{
     document.poppedLayer = 
         eval('document.layers[divName]');
         document.poppedLayerHide = eval('document.layers[hideBlockName]');
        }
  	document.poppedLayer.style.display = "none";
  	document.poppedLayerHide.style.display = "inline";
}

function keyPressHandler(e) {
      var kC  = (window.event) ?    // MSIE or Firefox?
                 event.keyCode : e.keyCode;
      var Esc = (window.event) ?   
                27 : e.DOM_VK_ESCAPE // MSIE : Firefox
      if(kC==Esc){
      	hide('loginBox');
      	hide('editProfile');
      	hide('registerUserBox');
      }
        
   }
function hide(divName) {
  if (browserType == "gecko" ){
     document.poppedLayer = 
         eval('document.getElementById(divName)');
         }
  else if (browserType == "ie"){
     document.poppedLayer = 
        eval('document.getElementById(divName)');
        }
  else{
     document.poppedLayer = eval('document.layers[divName]');
         }
  	if(document.poppedLayer != null){
  		document.poppedLayer.style.display = "none";
  	}
}