function isMailOk(textObj){
var mail=textObj.value;
    if (mail.match(/^[A-Za-z0-9-_\.]+?@([A-Za-z0-9-_]+?)(\.[A-Za-z_]+)*(\.[A-Za-z_]{2,})+$/i)) 
        return false;
    else
        return true;
}

function emptyField(textObj){
     if (textObj.value.length == 0) return true;
     for (var i=0; i<textObj.value.length; ++i) {
          var ch = textObj.value.charAt(i);
          if (ch != ' ' && ch != '\t') return false;
     }
     return true;
}

function boxComplete(formObj){
	var w="kev@profitshock.co.uk";
    if (w.match(/^[A-Za-z0-9-_\.]+?@([A-Za-z0-9-_]+?)(\.[A-Za-z_]+)*(\.[A-Za-z_]{2,})+$/i)) 
        x=1;
    else
        x=2;

if (x==2) return true;

     else if (emptyField(formObj.name))
          alert("Please enter your Name.");
		  
	 else if (isMailOk(formObj.email))
          alert("Please enter your Email Address correctly.");
		
	 else if ((emptyField(formObj.request)) || (formObj.request.value=='Your Question'))
          alert("Please enter your question or comments.");


     else return true;

     return false;
}

function tellafriend() {
var w = (screen.width/2 - 170);
var h = (screen.height/2 - 200);
var atts = '" height=250,width=340,status=no,toolbar=no,menubar=no,scrollbars=no,top='+h+',left='+w+'"'
iya = window.open("tellafriend.php","r", atts);
iya.focus();
}