// JavaScript Document
function checkInput()
{
	var firstname 	= document.getElementById('firstname').value;
	var lastname = document.getElementById('lastname').value;
	var email = document.getElementById('email').value;
	var contact_number = document.getElementById('contact_number').value;
	var company = document.getElementById('company').value;
	var position = document.getElementById('position').value;
	var business_address = document.getElementById('business_address').value;
	var zip = document.getElementById('zip').value;
	var message = document.getElementById('message').value;
	var info = document.getElementById('info').value;
	var info2 = document.getElementById('info2').value;
	

	if(firstname.length < 1){
		alert('Please enter your first name.');
		document.getElementById('firstname').focus();
	}
	else if(lastname.length < 1){
		alert('Please enter your last name.');
		document.getElementById('lastname');
	}
	else if(!echeck(email)){
		alert('Please enter a valid email address.');
		document.getElementById('email').focus;
	}
	else if(!isNumber(contact_number)){
		alert('Please enter a valid contact number.');
		document.getElementById('contact_number').focus();
	}
	else if(company.length < 1){
		alert('Please enter your company name.');
		document.getElementById('company').focus;
	}
	else if(message < 5){
		alert('Please enter the details on what service you need.');
		document.getElementById('message').focus();
	}
	else{
		document.frm_quote.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 (Char==".") dotCnt = dotCnt +1;
			if (ValidChars.indexOf(Char) == -1){
				IsNumber = false;
			}
		}
		return IsNumber;
}