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

function sbcurrency_calculation_format(value)
{
	var pattern_sp=/,/g;
	var pattern_pt=/\./g;
	value=value.toString().replace(pattern_sp,"");		//remove thousand separator if any
	value=value.toString().replace(pattern_pt,".");		//restore decimal point
	return value;
}

/////////////email function
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(/[& \/\?\.]/))
		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(/[& \/\?\.]+/g,"_");
	seo.value=a;
}
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;	
}