// JavaScript Document
var browserType;

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

function clearfield(){
/*for email form*/
	
if (browserType == "gecko" )
     document.poppedLayer =  eval('document.getElementById("emailfield")');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.getElementById("emailfield")');
  else
     document.poppedLayer =  eval('document.layers["emailfield"]');
  document.poppedLayer.value = "";
}




function echeck() {
	/*Function to check the information is an email format type*/
	if (browserType == "gecko" )
     document.poppedLayer =  eval('document.getElementById("emailfield")');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.getElementById("emailfield")');
  else
     document.poppedLayer =  eval('document.layers["emailfield"]');

str=  document.poppedLayer.value;
        str=str.replace(" ","");

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true	; 
		 
}
	
	

function hideall(){
	hide("mainnav");
	hide("prodnav");
	hide("solunav");
	hide("audinav");
	hide("plannav");
}
function hide(itemtohide){
	
	
  if (browserType == "gecko" )
     document.poppedLayer =  eval('document.getElementById(itemtohide)');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.getElementById(itemtohide)');
  else
     document.poppedLayer =  eval('document.layers[itemtohide]');

  document.poppedLayer.style.visibility = "hidden";
  
}

function showsub(tab){
	hideall();

if (browserType == "gecko" )
     document.poppedLayer =  eval('document.getElementById(tab)');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.getElementById(tab)');
  else
     document.poppedLayer =  eval('document.layers[tab]');

  document.poppedLayer.style.visibility = "visible";


}


<!--
function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0

  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}


function openemailreg(){
	
var tab="modalreg";

 if (browserType == "gecko" )
     document.poppedLayer =  eval('document.getElementById(tab)');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.getElementById(tab)');
  else
     document.poppedLayer =  eval('document.layers[tab]');
   document.poppedLayer.style.visibility = "visible";
   
   
   
 if (browserType == "gecko" )
     document.poppedLayer =  eval('document.getElementById("name_error")');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.getElementById("name_error")');
  else
     document.poppedLayer =  eval('document.layers["name_error"]');
   document.poppedLayer.hide();
   

	
	}
	
	function closemodal(){
		var tab="modalreg";

if (browserType == "gecko" )
     document.poppedLayer =  eval('document.getElementById(tab)');
  else if (browserType == "ie")
     document.poppedLayer = eval('document.getElementById(tab)');
  else
     document.poppedLayer =  eval('document.layers[tab]');

  document.poppedLayer.style.visibility = "hidden";

		
}
function timeron(element){
alert(element.name);
}

	
//-->