// JavaScript Document

function clearText(thefield){
if (thefield.defaultValue==thefield.value)
thefield.value = ""
} 
function undoText(thefield,textval){ 
if(document.getElementById(thefield).value==''){
document.getElementById(thefield).value=textval;}
} 


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")
	   //document.getElementById('error').innerHTML="Invalid E-mail ID"; 
	   return false
	}

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

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

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

	 if (str.indexOf(dot,(lat+2))==-1){
		alert("Invalid E-mail ID")
		//document.getElementById('error').innerHTML="Invalid E-mail ID"; 
		return false
	 }
	
	 if (str.indexOf(" ")!=-1){
		alert("Invalid E-mail ID")
		//document.getElementById('error').innerHTML="Invalid E-mail ID"; 
		return false
	 }

	 return true					
}

function ValidateForm(){ 
	var nameOC=document.getElementById('contact').fname;
	var nameLA=document.getElementById('contact').lname;
	var emailID=document.getElementById('contact').email;
	//var Phone=document.getElementById('contact').phone;
	
	if ((nameOC.value=="Name")||(nameOC.value=="")){
		alert("Please Enter Your First Name")
		//document.getElementById('error').innerHTML="Please Enter Your Name"; 
		nameOC.focus()
		return false
	}
	
	if ((nameLA.value=="Name")||(nameLA.value=="")){
		alert("Please Enter Your Last Name")
		//document.getElementById('error').innerHTML="Please Enter Your Name"; 
		nameLA.focus()
		return false
	}
	
	if ((emailID.value==null)||(emailID.value=="Email")){
		alert("Please Enter your Email ID")
		//document.getElementById('error').innerHTML="Please Enter your Email ID"; 
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	
	/*if ((Phone.value==null)||(Phone.value=="Phone")){
		alert("Please Enter your Telephone Number")
		//document.getElementById('error').innerHTML="Please Enter your Telephone Number"; 
		Phone.focus()
		return false
	}
	if (checkInternationalPhone(Phone.value)==false){
		alert("Please Enter a Valid Telephone Number")
		//document.getElementById('error').innerHTML="Please Enter a Valid Telephone Number"; 
		Phone.value=""
		Phone.focus()
		return false
	}
	
	
	if ((comments.value=="")||(comments.value=="Enter a brief description of your case")){
		alert("Please Enter Comments")
		//document.getElementById('error').innerHTML="Please Enter Comments"; 
		comments.focus()
		return false
	}*/
	//return true
	document.getElementById('contact').submit();

	
 }



// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.


function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}
function trim(s)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not a whitespace, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (c != " ") returnString += c;
    }
    return returnString;
}
function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone){
var bracket=3
strPhone=trim(strPhone)
if(strPhone.indexOf("+")>1) return false
if(strPhone.indexOf("-")!=-1)bracket=bracket+1
if(strPhone.indexOf("(")!=-1 && strPhone.indexOf("(")>bracket)return false
var brchr=strPhone.indexOf("(")
if(strPhone.indexOf("(")!=-1 && strPhone.charAt(brchr+2)!=")")return false
if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return false
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >=2);
}