/* This script and many more are available free online at The JavaScript Source :: http://javascript.internet.com Created by: Shaun Bailey :: http://www.sbwebdevelopment.co.uk */

function validate() {
  if(!document.getElementById) return;

  // get form variables
  var first_name = document.getElementById("first_name").value;
  var surname = document.getElementById("surname").value;
  var company_name = document.getElementById("company_name").value;
  var Email = document.getElementById("Email").value;
  var telephone = document.getElementById("telephone").value;
  var incorrect = new Array();
  var no = 0;
  var regExp = /[A-Za-z]{2,6}/;
  

	
 
  var first_nameID=document.frmSample.first_name
   
  if(regExp.test(first_name)) {
   	first_name = first_name.charAt(0).toUpperCase() + first_name.substring(1,first_name.length).toLowerCase();
  } 
  else {
   	incorrect[no] = "1";
   	no++;
   	first_name = "";
   	first_nameID.value="";
   	// alert("Please Enter your First Name")
   	// return false
  }
  
 var surnameID=document.frmSample.surname
 
regExp = /[A-Za-z]{3,}-?[A-Za-z]?/;
if(regExp.test(surname)) {
	surname = capWords(surname);
}
else {
	incorrect[no] = "2";
	no++;
	surname = "";
	surnameID.value="";
}


  var company_nameID=document.frmSample.company_name
   
 if(company_name.length < 2) {
   	incorrect[no] = "3";
   	no++;
   	company_name = "";
   	company_nameID.value="";
  }
  
    
    
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){
			incorrect[no] = "4";
   	no++;
   	Email = "";
		   // alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr || str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr || str.indexOf(at,(lat+1))!=-1 || str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot || str.indexOf(dot,(lat+2))==-1 || str.indexOf(" ")!=-1){
			incorrect[no] = "4";
   	no++;
   	Email = "";
		//   alert("Invalid E-mail ID")
		   return false
		}
 							
	}


	var emailID=document.frmSample.Email
	
	if ((emailID.value==null)||(emailID.value=="") || (echeck(emailID.value)==false)){
		incorrect[no] = "4";
   	no++;
   	Email = "";
   	emailID.value="";
		// alert("Please Enter your Email Address")
		
		
	}
	

   
   var telephoneID=document.frmSample.telephone 
  regExp = /\(?\d{5}\)?\s?\d{6}/;
  if(regExp.test(telephone)) 
  {
   	if(telephone.indexOf("(") < 0) 
   	{
  	  	telephone = "(" + telephone.substring(0,5) + ") " + telephone.substring(telephone.length-6,telephone.length);

    } else if(telephone.indexOf(" ") < 0) 
    {
   	 	telephone = telephone.substring(0,7) + " " + telephone.substring(telephone.length-6,telephone.length);
incorrect[no] = "5";
   	}
  } else {
    incorrect[no] = "5";
    no++;
    telephone = "";
    telephoneID.value="";
    // alert("Please Enter your Phone No")
    
  }
  



  for(i=1;i<6;i++) {
  		document.getElementById(i).style.color="#000000";
  }

  for(j=0;j<no;j++) {
  		document.getElementById(incorrect[j]).style.color="#FF0000";
  }
  
  //   for(j=0;j<no;j++) {
  //		document.getElementById(incorrect[j]).style.background="#FF6600"; }

  if(no > 0) {
   	document.getElementById("errors").innerHTML = "<span style=\"font-family: Verdana, Arial, Tahoma, Geneva, sans-serif; line-height: 1.5em; font-weight:bold;font-size:10px\" class=\"error\">There was an error with your form submission. Please fill in the required fields shown in red:</span><br />";
    return false;
  }

  document.getElementById("first_name").value = first_name;
  document.getElementById("surname").value = surname;
  document.getElementById("company_name").value = company_name;
  document.getElementById("Email").value = Email;
  document.getElementById("telephone").value = telephone;

}

function capWords(word) {	// capitalise words
	var lower = word.toLowerCase();
	var capWord = lower.split(" ");
	noWords = capWord.length;
	for(i=0;i<noWords;i++) {
		capWord[i] = capWord[i].charAt(0).toUpperCase() + capWord[i].substring(1,capWord[i].length);
	}
	return capWord.join(" ");
}