function validation(f)
{
   var result = true;
   
   if (f.firstname.value == "")
   { 
     document.getElementById("fnameValidate").style.display = "inline";
     result = false;
   }
   else
   {
     document.getElementById("fnameValidate").style.display = "none";
   }
   if (f.lastname.value == "")
   {
     document.getElementById("lnameValidate").style.display = "inline";
     result = false;
   }
   else
   {
     document.getElementById("lnameValidate").style.display = "none";
   }
   if (f.email.value == "")
   {
     document.getElementById("emailValidate").style.display = "inline";
     result = false;
   }
   else
   {
     document.getElementById("emailValidate").style.display = "none";
   }
   if (f.phone.value == "")
   {
     document.getElementById("phoneValidate").style.display = "inline";
     result = false;
   }
   else
   {
     document.getElementById("phoneValidate").style.display = "none";
   }
  
   
   if ((document.getElementById("indentityHidden").value == "Vinyl") || (document.getElementById("indentityHidden").value == "Mesh") || (document.getElementById("indentityHidden").value == "Adhesive Backed Vinyl Print"))
   {
	   
	 if (f.qty1.value == "")
     {
       document.getElementById("qty1Validate").style.display = "inline";
       result = false;
     }
     else
     {
       document.getElementById("qty1Validate").style.display = "none";
     }
     
     for (var i = 0; i < f.qty1.value.length; i++) {
           var ch = f.qty1.value.charAt(i);
           if (ch < "0" || ch > "9") 
           {
              if (ch != "."){
               document.getElementById("qty1Validate").style.display = "inline";
               return false;
              }
           }
      }     
     if (f.height1.value == "")
     {
       document.getElementById("height1Validate").style.display = "inline";
       result = false;
     }
     else
     {
       document.getElementById("height1Validate").style.display = "none";
     }
     for (var i = 0; i < f.height1.value.length; i++) {
           var ch = f.height1.value.charAt(i);
           if (ch < "0" || ch > "9") 
           {
              if (ch != "."){
               document.getElementById("height1Validate").style.display = "inline";
               return false;
              } 
           } 
      }     
      if (f.width1.value == "")
     {
       document.getElementById("width1Validate").style.display = "inline";
       result = false;
     }
     else
     {
       document.getElementById("width1Validate").style.display = "none";
     }
     for (var i = 0; i < f.width1.value.length; i++) {
           var ch = f.width1.value.charAt(i);
           if (ch < "0" || ch > "9") 
           { 
              if (ch != "."){
               document.getElementById("width1Validate").style.display = "inline";
               return false;
              } 
           } 
      }
     if (f.type1.value == "No Banner Type Specified")
     {
       document.getElementById("vinylTypeValidate").style.display = "inline";
       result = false;
     }
     else
     {
       document.getElementById("vinylTypeValidate").style.display = "none";
     } 
      
            
   }
  
   return result;
}

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){
		   document.getElementById("emailValidate").style.display = "inline";
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		  document.getElementById("emailValidate").style.display = "inline";
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		   document.getElementById("emailValidate").style.display = "inline";
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    document.getElementById("emailValidate").style.display = "inline";
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    document.getElementById("emailValidate").style.display = "inline";
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    document.getElementById("emailValidate").style.display = "inline";
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    document.getElementById("emailValidate").style.display = "inline";
		    return false
		 }
		 
		return true					
	}

function ValidateForm(f){
   
	var emailID= f.email;
	var result = true;
	if (validation(f) == false)
	{
	  // return false;
	  result = false;
	}
	
	if (echeck(emailID.value)==false){
	   	emailID.value="";
		//emailID.focus();
		//return false
		result = false;
	}
	var Phone=f.phone;
	if (checkInternationalPhone(Phone.value)==false){
		document.getElementById("phoneValidate").style.display = "inline";
		Phone.value=""
		//Phone.focus()
		//return false
		result = false;
	}
	//return true
	return result;
 }
 
 
 // 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.
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 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){
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}