//=======================================================
//detect browser settings for showing and hiding DIVs
isNS4 = (document.layers) ? true : false;
isIE4 = (document.all && !document.getElementById) ? true : false;
isIE5 = (document.all && document.getElementById) ? true : false;
isNS6 = (!document.all && document.getElementById) ? true : false;
//=======================================================

function ChangeView(sName, bView)
{
	switchDiv(sName + "_On", bView);
	switchDiv(sName + "_Off", !bView);
}

function Hide(name)
{
	switchDiv(name, false);
}

function Show(name)
{
	switchDiv(name, true);
}

function switchDiv(strDivName,bolVisible){
 //identify the element based on browser type
 if (isNS4) {
   objElement = document.layers[strDivName];
 } else if (isIE4) {
   objElement = document.all[strDivName].style;
 } else if (isIE5 || isNS6) {
	if (!document.getElementById(strDivName))
		return;
   objElement = document.getElementById(strDivName).style;
 }
 
 if(isNS4){
     if(!bolVisible) {
       objElement.visibility ="hidden"
     } else {
       objElement.visibility ="visible"
     }     
 }else if(isIE4){
     if(!bolVisible) {
       objElement.visibility = "hidden";
     } else {
       objElement.visibility = "visible";
     }
 } else if (isIE5 || isNS6) {
      if(!bolVisible){
         objElement.display = "none";
      } else {
        objElement.display = "";
        }
      }
}

function GetObject(id)
{
 //identify the element based on browser type
if (isNS4) {
	obj = document.layers[id];
} 
else if (isIE4) {
	obj = document.all[id].style;
} 
else if (isIE5 || isNS6) {
	if (!document.getElementById(id))
		return;
	obj = document.getElementById(id);
}
return obj;
}

function GetObjectByName(name)
{
 //identify the element based on browser type
if (isNS4) {
	obj = document.layers[name];
} 
else if (isIE4) {
	obj = document.all[name].style;
} 
else if (isIE5 || isNS6) {
	if (!document.getElementsByName(name))
		return;
	obj = document.getElementsByName(name);
}
return obj;
}

function CheckRadioButton(name, index)
{
   var elements = document.getElementsByName(name);
   for( i = 0 ; i < elements.length ; i++ )
   {
		if (i == index)
			elements[i].checked = true;
		else
			elements[i].checked = false;
   }
}