// JavaScript Document
function ValidateForm(form)
{
 	
      if(IsEmpty(form.fname)) 
   { 
      alert('Please fill in your first name.') 
      form.fname.focus(); 
      return false; 
   } 
   
  /*  if(!isAlphabet(form.CONTACT)) 
   { 
      alert('Please fill in only alphabets in the first name') 
      form.CONTACT.focus(); 
      return false; 
   } */
   
      if(IsEmpty(form.lname)) 
   { 
      alert('Please fill in your last name.') 
      form.lname.focus(); 
      return false; 
   } 
   
      if(IsEmpty(form.email)) 
   { 
      alert('Please fill in your email address.') 
      form.email.focus(); 
      return false; 
   } 
     
	 if(!emailValidator(form.email))
   { 
      alert('Please enter a valid email address. Your email address should look like "yourname@myemail.com"') 
      form.email.focus(); 
      return false; 
     } 
	 
  	  if(IsEmpty(form.tel)) 
   { 
      alert('Please fill in your contact number.') 
      form.tel.focus(); 
      return false; 
   } 

      if (!IsNumeric(form.tel.value)) 
   { 
      alert('Please enter only numbers in the contact field.') 
      form.tel.focus(); 
      return false; 
   } 
      if(IsEmpty(form.enquiry)) 
   { 
      alert('Please fill in your enquiry.') 
      form.lenquiry.focus(); 
      return false; 
   } 
  /* 	  if(minChar(form.tel)) 
   { 
      alert('Your contact number should be minimum 8 digits.') 
      form.tel.focus(); 
      return false; 
   }

return true;
 */
} 

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 IsEmpty(aTextField) {
   if ((aTextField.value.length == 0) ||
   (aTextField.value==null)) {
      return true;
   }
   else { return false; }
}

function minChar(sText1) {
   if ((sText1.value.length < 8) ||
   (aTextField.value==null)) {
      return true;
   }
   else { return false; }
}

function isValidEmail(str) {
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}

/**
 * DHTML email validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
	}

function isAlphabet(elem){
	var alphaExp = /^[a-zA-Z]+$/;
	if(elem.value.match(alphaExp)){
		return true;
	}
	else {return false;	}
}

function emailValidator(elem){
	var emailExp = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	if(elem.value.match(emailExp)){
		return true;
	}
	else{return false;}
}