// JavaScript Document
function open_window(link,w,h) //opens new window
{
	var win = "width="+w+",height="+h+",menubar=no,location=no,resizable=yes,scrollbars=yes";
	newWin = window.open(link,'newWin',win);
	newWin.focus();
}
function popupwin(pg,w,h,s,r) {
  i=(new Date()).getTime();
  pr=window.open(pg, 'loading'+i, 'toolbar=0, location=0, directories=0, status=0, menubar=0, scrollbars='+s+', resizable='+r+', width='+w+', height='+h);pr.focus();
}
function isEmail(str) {
var at="@"
var dot="."
var lat=str.indexOf(at)
var lstr=str.length
var ldot=str.indexOf(dot)
if (str.indexOf(at)==-1){return false}
if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){return false}
if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){return false}
if (str.indexOf(at,(lat+1))!=-1){return false}
if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){return false}
if (str.indexOf(dot,(lat+2))==-1){return false}
if (str.indexOf(" ")!=-1){return false}
return true					
}  
function disablebutton(b, m) {
	b.value = m;
	b.disabled = true;
	b.form.submit();
	return true;
}