function validateEmail (InString, StripThis)  
		{
			for (Count=0; Count < InString.length; Count++)  
			{
				TempChar=InString.substring (Count, Count+1);
				if (TempChar==StripThis)
					return true;
			}
			return false;
		 }
		 
	 function validateUrl(web)
		 { //extract substring	 	
			ret=web.substring(0,7);		
			if (ret=="http://")	return true;		  
			else return false;			
		  }
	
	 function ValidateOneString(s, CP)
		 { 
		  var Ok = true;
		  for (var k = 0; k < s.length; k++)
		    if (CP.indexOf(s.charAt(k))<0) 
			{	
				window.alert("The character '" + s.charAt(k) + "' is invalid for this field !");				
				Ok = false;				
				break;
			}
		  return Ok;  
		 }
 
 function CheckForm(f)
  {
    if (f.fname.value.length==0){
       	alert("Please tell us your First name!");
        f.fname.focus();
        return false;}
     else
     if (f.lname.value.length==0){
       	alert("Please tell us your Last name!");
        f.lname.focus();
        return false;}
     else
     if((f.email.value.length!=0)&&(!validateEmail (f.email.value, '@')))
      {
	 alert("The email address is invalid!");
         f.email.focus();
         return false;
       }
     else
	 if (f.msg.value.length==0){
       	alert("Please send us a message!");
        f.msg.focus();
        return false;}
     else
     {
     	return true;
     }
  }