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

function sbcurrency_calculation_format(value)
{
	value=value.toString().replace(/,/,".");
	return value;
}

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 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 seo_dircompare(arr)
{
	for(i=0;i < arr.length;i++)
	{	
		str1=RegExp(arr[i],"i");
		for(j=i+1;jarr.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 sbconvert_toseo(title,seo)
{
	a=title.value.replace(/[& \/\?\.]+/g,"_");
	seo.value=a;
}