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.
var minDigitsInIPhoneNumber = 10;


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 >= minDigitsInIPhoneNumber);
}




function validateForm()
{
	var form = document.infoform;
	
//  FOR NORMAL TEXT FIELD VALIDATIUON
	if(form.name.value.match(/^\s+$/) || form.name.value == "")
		{
		alert("Please Enter Your Name") ;
		form.name.focus() ;
		return false;
	}
	
//  FOR E-MAIL ID VALIDATIUON

	if(form.email.value=="")
	{
		alert("Please Enter Your Email ID") ;
		form.email.focus() ;
		return false;
	}	
		if (!form.email.value.match(/^[\w\.\-]+@([\w\-]+\.)+[a-zA-Z]+$/))
		{
			alert("Please Enter A Valid Email ID");
			form.email.focus();
			//form.email.value="";
			return false;
		}
		
//  FOR COMPANY NAME VALIDATIUON

	if(form.companyname.value=="")
	{
		alert("Please Enter Your Company Name") ;
		form.companyname.focus() ;
		return false;
	}	
				
//  FOR PHONE NUMBER VALIDATIUON




	var Phone=form.phone;
	
	if ((Phone.value==null)||(Phone.value=="")){
		alert("Please Enter your Phone Number")
		Phone.focus()
		return false
	}
	if (checkInternationalPhone(Phone.value)==false){
		alert("Please Enter a Valid Phone Number")
		Phone.value=""
		Phone.focus()
		return false
	}
	
	/*if(form.phone.value=="")
	{
		alert("Please Enter Your Phone Number") ;
		form.phone.focus() ;
		return false;
	}
	if(!isNaN(form.phone.value))
	{
		alert("Please Enter Numeric Value for Phone Number") ;
		form.phone.focus() ;
		return false;
	}	*/
				
//  FOR ADDRESS FIELD VALIDATIUON

	if(form.address.value=="")
	{
		alert("Please Enter Your Address") ;
		form.address.focus() ;
		return false;
	}	
				
//  FOR CITY/PROVIDENCE FIELD VALIDATIUON

	if(form.city.value=="")
	{
		alert("Please Enter Your City/Providence") ;
		form.city.focus() ;
		return false;
	}	
				
//  FOR STATE FIELD VALIDATIUON

	if(form.state.value=="")
	{
		alert("Please Enter Your State Name") ;
		form.state.focus() ;
		return false;
	}	
				
//  FOR ZIP FIELD VALIDATIUON

	if(form.zip.value=="")
	{
		alert("Please Enter Your zip code") ;
		form.zip.focus() ;
		return false;
	}	
	if(!isInteger(form.zip.value))
	{
		alert("Please Enter Numeric Value for Zip Code") ;
		form.zip.focus() ;
		return false;
	}	
		
//  FOR COUNTRY FIELD VALIDATIUON

	if(form.country.value=="")
	{
		alert("Please Enter Your Country Name") ;
		form.country.focus() ;
		return false;
	}	
				
	return;
}