function open_win_link(url) {  
   var myWin;  
   if (navigator.appName == "Netscape")  
      {
         myWin=window.open(url,"displayWindow","resizable=yes,width=850,height=540,scrollbars=yes,menubar=yes,toolbar=yes,location=yes,directories=yes,status=yes");
         myWin.focus(); 
      }
   if (navigator.appName == "Microsoft Internet Explorer") 
   { 
      open_win(url); 
   } 
}

function open_win(url) {  
   var myWin;
   myWin = window.open(url, "newWin","toolbar=1,location=1,directories=1,status=1,menubar=1,scrollbars=1,resizable=1,width=900,height=730");
   myWin.focus(); 
}


function isWhitespace (s)

{   // Is s empty?
    var reWhitespace = /^\s+$/
    return (isEmpty(s) || reWhitespace.test(s));
}

function isEmpty(s)
{   return ((s == null) || (s.length == 0))
}


function set_status(w_text){
	window.status = w_text;
}

function generic_prompt (w_prompt) {

   	if (confirm(w_prompt)) {
   	
   	    return true;
   	    
   	} else 
   	{
   	  return false;
   	}
   	
   return true;	
}	

function validemail(emailin){
   emailin+="";
   if(emailin.length==0){return false;}

   var position=emailin.indexOf("@");
   if(position<1){return false;}

   position=emailin.indexOf(".",position+1);
   if(position<3){return false;}

   if(position==emailin.length-1){return false;}

   return true;
}

function checkcodata(){
	
   var coform = document.mortgageform;
   var testnull
   
   if (isWhitespace(coform.C50NAME.value)) {
      alert("Please Enter Your Name");
      coform.C50NAME.focus();
      return false;
   	
   }
   
  if (!isWhitespace(coform.C50EMAIL.value)){
      if(validemail(coform.C50EMAIL.value)==false){
         alert("The Email Address You Have Entered Appears To Be Invalid. Please Re-Enter");
         coform.C50EMAIL.focus();
         return false;
      }
   } 
   else 
   {
      alert("Please Enter An Email Address");
      coform.C50EMAIL.focus();
      return false;
   }

  if (!isWhitespace(coform.C50EMAIL2.value)){
      if(coform.C50EMAIL2.value != coform.C50EMAIL.value) {
         alert("Confirmation Email Address appear to be different. Please confim correctly.");
         coform.C50EMAIL2.focus();
         return false;
      }
   } 
   else 
   {
      alert("Please Confirm Your Email Address");
      coform.C50EMAIL2.focus();
      return false;
   }

   if (isWhitespace(coform.C50ADDRESS.value)){
      alert("Please Enter Your Address");
      coform.C50ADDRESS.focus();
      return false;
   }

   if (isWhitespace(coform.C50POSTCODE.value)){
      alert("Please Enter Your Postcode");
      coform.C50POSTCODE.focus();
      return false;
   }

   if (coform.C50REFERRER.value == 'None'){
      alert("Please Tell Us How Your Found Out About Us");
      coform.C50REFERRER.focus();
      return false;
   }
   
   return false;
   
}