// JavaScript Document
var reEmail			= /^.+\@.+\..+$/;
var reAlphanumeric	= /^\w+$/;

var daysInMonth		= new Array(13);
var todaysDate		= new Date();
var thisYear		= todaysDate.year;

daysInMonth[0]	= 0;
daysInMonth[1]	= 31;
daysInMonth[2]	= ((thisYear % 4 == 0) && ((!(thisYear % 100 == 0)) || (thisYear % 400 == 0))) ? 29 : 28;
daysInMonth[3]	= 31;
daysInMonth[4]	= 30;
daysInMonth[5]	= 31;
daysInMonth[6]	= 30;
daysInMonth[7]	= 31;
daysInMonth[8]	= 31;
daysInMonth[9]	= 30;
daysInMonth[10]	= 31;
daysInMonth[11]	= 30;
daysInMonth[12]	= 31;

function isBlank(s)
{
	return ((s == null) || (s == "null") || (s == "") || (s.length == 0));
}

function strlen( str )
{
	myStr = "";
	myStr += str;
	
	return myStr.length;
}

function isEmail(s)
{
	return reEmail.test(s);
}

function isAlphanumeric(s)
{
	return reAlphanumeric.test(s);
}

function openCenterWin( URL, sTitle, width, height, scrollbars, resize, menu, status )
{
	posLeft	= (window.screen.availWidth - width) / 2;
	posTop	= (window.screen.availHeight - height) / 2;
	
	sProperties = 'height=' + height + ',width=' + width + ',scrollbars=' + scrollbars +
				',status=' + status + ',resizable=' + resize + ',toolbar=' + menu + ',top=' + posTop + ',left=' + posLeft;
	
	window.open(URL, sTitle, sProperties);
}

function getQueryString(variable){
  var query = window.top.location.search.substring(1);
  var vars = query.split("&");
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    if (pair[0] == variable) {
      return pair[1];
    }
  } 
  return false;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}