function validateNumericField(field) {
		
	var valid = ".0123456789"
	var ok = "yes";
	var temp;
	for (var i = 0; i < field.value.length; i++) {
		temp = "" + field.value.substring(i, i+1);		
		if (valid.indexOf(temp) == "-1") ok = "no";
	}
	if (ok == "no") {
		//alert("Invalid entry! Only numbers are accepted!");
		field.focus();
		field.select();
		return false;
	}
	return true;
}

function validateCharField(field) {
	var valid = "abcdefghijklmnopqrstuvwxyz0123456789"	
	var ok = "yes";
	var temp;
	for (var i=0; i<field.value.length; i++) {
		temp = "" + field.value.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") ok = "no";
	}
	if (ok == "no") {
		//alert("Invalid entry! Only characters and numbers are accepted!");
		field.focus();
		field.select();
		return -1;
	}
	return 1;
}



function validateZIP(field) {
	
	var valid = "0123456789-";
	var hyphencount = 0;
	var frmObj = window.document.frmDistReg;

 if (frmObj.country.value != "United States") {
	 //alert(frmObj.country.value);
	 return true;
 } else {
	 
	if (field.length !=5 && field.length !=10) {
		
		alert("Please enter your 5 digit or 5 digit+4 zip code.");
		return false;
	}
	
	for (var i=0; i < field.length; i++) {
	temp = "" + field.substring(i, i+1);
		if (temp == "-") hyphencount++;
		
		if (valid.indexOf(temp) == "-1") {
			
			alert("Invalid characters in your zip code.  Please reenter.");
			
			return false;
		}
		if ((hyphencount > 1) || ((field.length==10) && ""+field.charAt(5)!="-")) {
			alert("The hyphen character should be used with a properly formatted 5 digit+four zip code, like '12345-6789'.   Please try again.");
			
			return false;
   		}
	}
	return true;
  }
}


//********** Validate Phone *************************//

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){

	// 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;
	
	s=stripCharsInBag(strPhone,validWorldPhoneChars);
	return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function validatePhone(field) {
	
	
	if ((field.value==null)||(field.value=="")){
		alert("Please Enter your Phone Number")
		
		return false
	}
	if (checkInternationalPhone(field.value)==false){
		alert("Please Enter a Valid Phone Number")
		field.value=""
		//field.focus()
		return false
	}
	return true
 }

//****************************************************

function isEmpty(field)
{	
	if (field.value.length ==0 || field.value == null)
	{ 	
		return true; 
	}
	else
	{	
		return false; 
	}
	
}


function validEmail(email) 
{
	// function to validate email address.
	invalidChars = " /:,;";
	
	//if (email == "")
		//return false;
	if (email != "" || email != null) {
	
	for (i=0; i<invalidChars.length; i++) {
		badChar = invalidChars.charAt(i)
		if (email.indexOf(badChar,0) > -1) 
			return false;
	}
	
	atPos = email.indexOf("@",1);
	if (atPos == -1)
		return false;
		
	if (email.indexOf("@",atPos+1) > -1)
		return false;
		
	periodPos = email.indexOf(".",atPos);
	if (periodPos == -1) 
		return false;
	
	if (periodPos+3 > email.length) 
		return false;
		
	return true;
	}
}

function Scroller(iX,iY) {
	window.scrollTo(iX, iY);
}

function validZipState (frmObj) {
				// ******* Vaildate State & Zip *******
			if (frmObj.country.value == 'USA')
			{	
				if (frmObj.state.value.length != 2) {
				alert ("Please select your state");
				frmObj.state.focus();
				return false;
				}
				
				if (frmObj.zip.value.length != 5) {
				alert ("Please enter a valid 5 digit zip code");
				frmObj.zip.focus();
				return false;
				}
			} 
			else if (frmObj.country.value == 'Canada') {	
												
				if (frmObj.state.value.length != 2) {
				alert ("Please select your state");
				frmObj.state.focus();
				return false;
				}
				
				if (frmObj.zip.value.length != 7) {	
				alert ("Please enter a valid postal code. (Example: \"L7J 1W9\")");
				frmObj.zip.focus();
				return false;
				}
			}
			return true
		}

//1) Enter name of mandatory fields
//var fieldRequired = Array("FirstName", "LastName");
//2) Enter field description to appear in the dialog box
//var fieldDescription = Array("First Name", "Last Name");
	
function formCheck(formobj, fieldRequired, fieldDescription){
			
	//3) Enter dialog message
	var alertMsg = "Please complete the following fields:\n";
	
	var cursorpos = false;
	var filled    = true;
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			filled  = true;
					
			switch(obj.type){
				case "select-one":
					if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].value == ""){
						filled = false;
						alertMsg += " - " + fieldDescription[i] + "\n";
					}
					break;
				case "select-multiple":
					if (obj.selectedIndex == -1){
						filled = false;
						alertMsg += " - " + fieldDescription[i] + "\n";
					}
					break;
				case "text":
				
				case "select":
					var str1 = "";
				        str1 = obj.value;
                            str1 = str1.replace( /^\s*/, "" );
                			str1 = str1.replace( /\s*$/, "" );
							str1 = str1.replace( /\&/, "" );
							str1 = str1.replace( /\;/, "" );
							str1 = str1.replace( /\./, "" );
							str1 = str1.replace( /\\/, "" );
				
				case "textarea":
					var str1 = "";
				        str1 = obj.value;
                                        str1 = str1.replace( /^\s*/, "" );
                			str1 = str1.replace( /\s*$/, "" );
					if (str1 == "" || str1 == null){
					filled = false;
					alertMsg += " - " + fieldDescription[i] + "\n";
					}
					break;
				default:
					{
						
						if (obj.value == "" || obj.value == null){
						 	filled = false;
							alertMsg += " - " + fieldDescription[i] + "\n";
						}
					}
			}
			if(!cursorpos && !filled){
				cursorpos = true;
				obj.focus();
			}
		}
	}
	if (alertMsg.length == l_Msg){
		return true;
	}
	else{
		alert(alertMsg);
		return false;
	}
}

function submitMain(button) 
{
	frmObj = window.document.frmDistReg;
	
	if (button.id == "btnRegister") 
		{      
			frmObj = window.document.frmDistReg;
			var items = 0;
			var hazards = 0;
			var fieldRequired;
			var fieldDescription;
	
			fieldRequired = Array("first","last","address1","city","country","areacode", "phone","email");
			fieldDescription = Array("First Name", "Last Name", "Address", "City", "Country", "Area Code","Phone Number","E-Mail Address");
	
			var strArrayField = new Array()
			//strArrayField = frmObj.txtRequiredField.value.split(",");
			//alert ("required field: " + strArrayField.length);
			//var strArrayDesc = frmObj.txtRequiredFieldDesc.value.split(",");
			//alert ("required fieldDesc: " + strArrayDesc.length);
	
			//fieldRequired = Array(strArrayField);
			//fieldDescription = Array(strArrayDesc);		
	
			if (formCheck(frmObj, fieldRequired, fieldDescription))
			//if (formCheck(frmObj, strArrayField, strArrayDesc))
			{	
				
				
				if(!validZipState(frmObj)) {
					return false;
				}
				
				if (! validEmail(frmObj.email.value) && !isEmpty(frmObj.email) )
				//if (! validEmail(frmObj.email.value))
				{
					alert("Email Address is invalid.");
					frmObj.email.focus();
					return false;
				}
				

				
				
				frmObj.method = "post";
				//frmObj.action = "/NOWApp/RequestGateway?page=DppLitSubmit";
				frmObj.action = "http://www.dupont.com/cgi-bin/e-merge.pl/tyvek/protective-apparel/distributors/template/register.tmpl&display=/tyvek/protective-apparel/distributors/template/register_resp.html";
				frmObj.submit();
				return true;
			}
			else
			{
				return false;
			}
	
			}
				
			
	}
	//  End -->