/* Checks that given string is valid as email address */
function checkEmail(email){
  var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
  if (filter.test(email)) return true;
  else return false;
}

var origBorder = "1px solid #7f9db9";
var strErrorBorder = "1px solid red";


/*	VALIDATION FOR REQUEST CALL FORM */
/* Validate user input */
function validateUserInput() {
	/*alert("mooo");/ 
	/* return false;*/
	
	var elemName= document.getElementById("name");
	var elemEmail = document.getElementById("email");
	var elemTelephone= document.getElementById("telephone");

	var frm = document.getElementById("Form1");
	var arrCalltime = frm.calltime;
	
	var boolError = false;
	var strError = "";

	var vEmail = elemEmail.value;
	var vTelephone = elemTelephone.value;
	var vName = elemName.value;
	 
	elemName.style.border = origBorder;
	elemEmail.style.border = origBorder;
	elemTelephone.style.border = origBorder;
		   
	// Trim white-space
	vName = Trim(vName);
	vEmail = Trim(vEmail);
	vTelephone = Trim(vTelephone);
		   
	// Run validation
	if(vName.length < 3) {
		strError += "Please fill in your name\n";              
		elemName.style.border = strErrorBorder;
		boolError = true;
	}

	if(elemEmail.value.length > 0 && !checkEmail(elemEmail.value)) {
		strError += "Please fill in a VALID email address\n";		
		elemEmail.style.border = strErrorBorder;
		boolError = true;
	}
	
	if(elemEmail.value.length == 0 && elemTelephone.value.length == 0) {
		strError += "Please fill in email or telephone number\n";		
		elemEmail.style.border = strErrorBorder;
		elemTelephone.style.border = strErrorBorder;
		boolError = true;
	}
		   
	if( boolError ) alert ( strError );
		 return ! boolError;
	}
/* END VALIDATION FOR REQUEST FORM */	
	

	 
	/* Trim functions */
	function Trim(TRIM_VALUE)
	{
		if(TRIM_VALUE.length < 1){
			return "";
		}
		TRIM_VALUE = RTrim(TRIM_VALUE);
		TRIM_VALUE = LTrim(TRIM_VALUE);
		if(TRIM_VALUE==""){
			return "";
		}
		else
		{
			return TRIM_VALUE;
		}
	}
	function RTrim(VALUE)
	{
		var w_space = String.fromCharCode(32);
		var v_length = VALUE.length;
		var strTemp = "";
		
		if(v_length < 0){
			return "";
		}
		var iTemp = v_length -1;
	 
		while(iTemp > -1){
			if(!(VALUE.charAt(iTemp) == w_space))
			{
				strTemp = VALUE.substring(0,iTemp +1);
				break;
			}
			iTemp = iTemp-1;
		}
		return strTemp;
	}
	 
	function LTrim(VALUE)
	{
		var w_space = String.fromCharCode(32);
		
		if(v_length < 1){
			return"";
		}
		var v_length = VALUE.length;
		var strTemp = "";
	 
		var iTemp = 0;
	 
		while(iTemp < v_length){
			if(VALUE.charAt(iTemp) == w_space){
			}
			else{
				strTemp = VALUE.substring(iTemp,v_length);
				break;
			}
			iTemp = iTemp + 1;
		}
		return strTemp;
	}