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

function returnTrue(){
	if (document.all.txtTrue.value == 'true' ) {
		document.all.txtTrue.value = '';
		document.all.spnPlus.innerText = "–"
		}
	else{
		document.all.txtTrue.value = 'true';
		document.all.spnPlus.innerText = "+"
		}
}

function returnValue(){
	return document.all.txtTrue.value;
}


function returnTrue2(){
	if (document.all.txtTrue2.value == 'true' ) {
		document.all.txtTrue2.value = '';
		document.all.spnPlus2.innerText = "–"
		}
	else{
		document.all.txtTrue2.value = 'true';
		document.all.spnPlus2.innerText = "+"
		}
}

function returnValue2(){
	return document.all.txtTrue2.value;
}