function valid_form(){
	if(document.form.name.value=='')
		{
			alert('Please Enter Name');
			document.form.name.focus();
			return false;
		}
		
	if(document.form.email.value=='')
		{
			alert("Please Enter Email");
			return false;
		}
			var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
			var returnval=emailfilter.test(document.form.email.value);
			if (returnval==false){
			alert("Please Enter a Valid Email Address.")
		return false;
		}
		
var digits = "0123456789";
var phoneNumberDelimiters = "()- ";
var validWorldPhoneChars = phoneNumberDelimiters + "+";
var minDigitsInIPhoneNumber = 10;
function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
	return true;
}
function trim(s)
{   var i;
    var returnString = "";
    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (c != " ") returnString += c;
    }
    return returnString;
}
function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}
function checkInternationalPhone(phone){
var bracket=3
phone=trim(phone)
if(phone.indexOf("+")>1) return false
if(phone.indexOf("-")!=-1)bracket=bracket+1
if(phone.indexOf("(")!=-1 && phone.indexOf("(")>bracket)return false
var brchr=phone.indexOf("(")
if(phone.indexOf("(")!=-1 && phone.charAt(brchr+2)!=")")return false
if(phone.indexOf("(")==-1 && phone.indexOf(")")!=-1)return false
s=stripCharsInBag(phone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}
	var Phone=document.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
	}

var ckBoxes = document.form['ptype[]'];
    var ckOk = false;

    for(var i=0; i< ckBoxes.length; i++){
        if(ckBoxes[i].checked == true){
            ckOk = true;
            break;
        }
    }

    if(ckOk) {
        return true;
    }
    else {
        alert("Please Select at Least One Project Type");
        return false;
    }
	

	return true
 }