function IsNumeric(sText)

{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }


function validate(vform) {
	if(vform.name.value.length < 2) {
		alert("Please enter you first and last name.");
		vform.name.focus();
		return false;
	}
	
	else if(vform.email.value.indexOf(" ") != -1 )
		{
			alert('Please check your email address. Email cannot contain spaces.');
			vform.email.focus();
			return false;
		}
	else if(vform.email.value.indexOf("@")<1 || vform.email.value.lastIndexOf(".")-vform.email.value.indexOf("@") <2)
		{
			alert('Please check the entered Email Address! Email must contain and @ sign!');
			vform.email.focus();
			return false;
		}
	else if(vform.phone.value.length < 10) {
		alert('Please enter a valid phone number.');
		vform.phone.focus();
		return false;
	}
	else { return true; }
}