/////////////email function
function seo_dircompare(arr)
{
	for(i=0;i<arr.length;i++)
	{	
		str1=RegExp(arr[i],"i");
		for(j=i+1;j<arr.length;j++)
		{
			str2=RegExp(arr[j],"i");
			if(arr[i].match(str2) || arr[j].match(str1))
				return ("Value must not be substring of other_"+j);
		}	
	}
	return false;	
}

function emailCheck (emailStr) {
var emailPat=/^(.+)@(.+)$/
var specialChars="\\(\\)>@,;:\\\\\\\"\\.\\[\\]"
var validChars="\[^\\s" + specialChars + "\]"
var quotedUser="(\"[^\"]*\")"
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
var atom=validChars + '+'
var word="(" + atom + "|" + quotedUser + ")"
var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
var matchArray=emailStr.match(emailPat)
if (matchArray==null) {
	alert("Email address seems incorrect (check @ and .'s)")
	return false
}
var user=matchArray[1]
var domain=matchArray[2]
if (user.match(userPat)==null) {
    alert("The username doesn't seem to be valid.")
    return false
}
var IPArray=domain.match(ipDomainPat)
if (IPArray!=null) {
    // this is an IP address
	  for (var i=1;i<=4;i++) {
	    if (IPArray[i]>255) {
	        alert("Destination IP address is invalid!")
		return false
	    }
    }
    return true
}
var domainArray=domain.match(domainPat)
if (domainArray==null) {
	alert("The domain name doesn't seem to be valid.")
    return false
}
var atomPat=new RegExp(atom,"g")
var domArr=domain.match(atomPat)
var len=domArr.length
if (domArr[domArr.length-1].length<2 || 
    domArr[domArr.length-1].length>4) {
   alert("The address must end in a valid domain, or two letter country.")
   return false
}
if (len<2) {
   var errStr="This address is missing a hostname!"
   alert(errStr)
   return false
}
return true;
}
function sbis_empty(sbstr)
{ 
 	sbnew_str=sbstr.replace(/^\s+|\s+$/g,"");
	if(sbnew_str.length >0)
		return (false);
	else
		return (true);
}




function seo_string(field_name,str,dirlist,dirchk)
{
	dir_pat=RegExp("^("+dirlist.replace(/,/g,"|")+")$","i");
	dir_str=dirlist.replace(/,/g,", ");
	//if(str.match(/^[^a-zA-Z]|[^a-zA-Z0-9_\-]|[^a-zA-Z]$/))
	if(str.match(/[\.\/\?& ]/))
		return (field_name+" must not contain \.\/\?&  characters");
	else if(dirchk==true && str.match(dir_pat) )
		return ("This value of "+field_name+" is not allowed. Try appending /removing some characters to the value");
	else
		return false;	
}
function sbconvert_toseo(title,seo)
{
	//a=title.value.replace(/^[^a-zA-Z]+/,"");
	//a=a.replace(/[^a-zA-Z0-9_\-]+/g,"_");
	//a=a.replace(/[^a-zA-Z]+$/,"");
	a=title.value.replace(/[\.\/\?& ]+/g,"_");
	seo.value=a;
}

function sbcurrency_js_format(amount)
 {
sbseparator=',';
	sbdecimal_point='.';	
	amount=amount.toString().replace(/\./,sbdecimal_point);
	return(amount);
}

function isNaCurrency(amount)
{
	if(amount=="" || amount.toString().match(/^[+\-]?[0-9]+[,\.]?[0-9]*$/))
		return false;
	else
		return true;
}
function currency_calculation_format(value)
{
	value=value.toString().replace(/,/,".");
	value=value.toString().replace(/\./,".");
	return value;
}
function sbempty_field(obj)
{
	if(obj.value=="keywords" || obj.value=="zip code")
	obj.value="";
}