function verify_form(){
validity = true;
  if (!check_empty(document.form.toName.value))
        { validity = false; alert('Please enter a To: Name.'); }
  if (!check_empty(document.form.toEmail.value))
        { validity = false; alert('Please Enter a To: Email Address.'); } 
  if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.form.toEmail.value))
  		{ validity = false; alert('Please Enter a Valid To: Email address.'); } 
  if (!check_empty(document.form.fromName.value))
        { validity = false; alert('Please enter a From: Name.'); }
  if (!check_empty(document.form.fromEmail.value))
        { validity = false; alert('Please Enter a From: Email Address.'); } 
  if (!/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.form.fromEmail.value))
  		{ validity = false; alert('Please Enter a Valid From: Email address.'); } 
  return validity; 
}

function check_empty(text) {
  return (text.length > 0); 
}

function addbookmark(){
// Adds current page to the bookmarks for Internet Explorer only
	if(window.external){
		var bookmarkurl = location.href;
		var bookmarktitle = document.title;
		window.external.AddFavorite(bookmarkurl, bookmarktitle);
		alert("Site Bookmarked!");
	}else{
		alert("Sorry, this feature only works with Internet Explorer.\n" + 
					"Please bookmark this page using your browser's built-in controls.");
	}
}

function clickthrough(url) {
	window.open('/sendtoafriend.php?url='+url+'','Friend','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=360,height=330,top=0,left=0')
}

function confirming(url,message) {
var confirmation=confirm(message); 
 if (confirmation) {
 window.location.href=url;
 } 
}

function tron(imgName)
   {
    if (document.images)
     {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
     }
   }

// MOUSEOUT SWAPIMAGE
function troff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }

// OPEN POP UP
function open_pop(theURL,winName,w,h,scroll,resize) { //v2.0
var winl = (screen.width - w) / 2;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable='+resize+''
win=window.open(theURL,winName,winprops);
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}