// JavaScript Document
function checkInput()
{
	var name 	= document.getElementById('name').value;
	var email  	= document.getElementById('email').value;
	var telephone = document.getElementById('telephone').value;
	var mobile = document.getElementById('mobile').value;
	var company = document.getElementById('company').value;
	var message = document.getElementById('message').value;

	if (name.length < 1) {
		alert("Please enter your name.");
		document.getElementById('name').focus();
	} else if (!echeck(email)) {
		alert("Please enter a valid email address.");
		document.getElementById('email').focus();
	} else if (company.length < 1) {
		alert("Please enter your company name.");
		document.getElementById('company').focus();
	} else if (message.length < 5) {
		alert("Please enter your message.");
		document.getElementById('message').focus();
	} else {
		document.frm_contact.submit();
	}

	//alert(comment);
  	//document.myform.submit();
}

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){
	   //alert("Invalid E-mail ID")
	   return false
	}

	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
	   //alert("Invalid E-mail ID")
	   return false
	}

	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		//alert("Invalid E-mail ID")
		return false
	}

	 if (str.indexOf(at,(lat+1))!=-1){
		//alert("Invalid E-mail ID")
		return false
	 }

	 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		//alert("Invalid E-mail ID")
		return false
	 }

	 if (str.indexOf(dot,(lat+2))==-1){
		//alert("Invalid E-mail ID")
		return false
	 }

	 if (str.indexOf(" ")!=-1){
		//alert("Invalid E-mail ID")
		return false
	 }

	 return true
}
function isNumber(sText) {

	if (sText=="") return false;
	var ValidChars = "0123456789";
	var IsNumber=true;
	var Char;
	var dotCnt = 0;

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