var type = "IE"; 

Sniffer();

function Sniffer() {
if (navigator.userAgent.indexOf("Opera")!=-1 && document.getElementById) type="OP"; 
else if (document.all) type="IE"; //Internet Explorer e.g. IE4 upwards
else if (document.layers) type="NN"; //Netscape Communicator 4
else if (!document.all && document.getElementById) type="MO"; 
else type = "IE"; 
}

function ProcessLayer(id, action){
if (type=="IE") eval("document.all." + id + ".style.visibility='" + action + "'");
if (type=="NN") eval("document." + id + ".visibility='" + action + "'");
if (type=="MO" || type=="OP") eval("document.getElementById('" + id + "').style.visibility='" + action + "'");
}


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function OpenPopup(url) {
openpopup = 
window.open(url,"poll","width=520,height=450,left=0,top=50,scrollbars,resizable");
         openpopup.opener.name = "opener";
         }

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 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_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 OpenPopup(url) {
openpopup = 
window.open(url,"poll","width=520,height=450,left=0,top=50,scrollbars,resizable");
         openpopup.opener.name = "opener";
         }

function checkdata(form)
 {
 	var theStr = new String(form.email.value);
  	var index = theStr.indexOf("@");
 	
 	if (form.firstname.value == "")
 	{
 		alert("Please enter your first name");
 		form.firstname.focus();
 		return false;
 	}
	else if (form.lastname.value == "")
	{
		alert("Please enter your last name");
		form.lastname.focus();
		return false;
	}
 	else if (form.email.value == "")
 	{
 		alert("Please enter your email address");
 		form.email.focus();
 		return false;
 	}
 	else if (index == -1)
 	{
 		alert("Please enter a valid email address");
 		form.email.focus();
 		return false;
 	}
 	else if (form.city.value == "")
 	{
 		alert("Please enter your city");
 		form.city.focus();
 		return false;
 	}
 	else if (form.country.value == "")
 	{
 		alert("Please enter your country");
 		form.country.focus();
 		return false;
 	}
 	else if (form.comments.value == "")
 	{
 		alert("Please enter your comments");
 		form.comments.focus();
 		return false;
 	}
 	else
 	{
 		return true;
 	}
 }