var defaultEmptyOK = false;
var whitespace = " \t\n\r";

function doElementMouseOut(currentPage,imageSource) {
  var swapImage = "images/"+imageSource+"_off.gif";
  var swapCurrentImage = "images/"+currentPage+"_on.gif";
  MM_swapImgRestore();
  if(currentPage!='none'){MM_swapImage(currentPage,'',swapCurrentImage,1); } 
  if(currentPage != imageSource){MM_swapImage(imageSource,'',swapImage,1);}
}

function doElementMouseOver(currentPage,imageSource) {
	var swapImage = "images/"+imageSource+"_on.gif";
	var swapCurrentImage = "images/"+currentPage+"_off.gif";
	if(currentPage != imageSource)
	{
		MM_swapImage(currentPage,'',swapCurrentImage,1);
	}
	MM_swapImage(imageSource,'',swapImage,1);
}

function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

//Swap Images
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];}
}

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 popUp(URL, imageName)
{
    popUpCustomWinSize(URL, imageName, 255, 295);
}

function popUpCustomWinSize(URL, imageName, windowWidth, windowHeight)
{
	attrib = "toolbar=0,scrollbars=0,location=0,statusbar=1,menubar=0,resizable=1,width="+windowWidth+",height="+windowHeight+",left = 384.5,top = 236.5";
	URL = URL.concat("?").concat(imageName);
	var externalWin  = window.open(URL, 'external', attrib);
	childWinObject = externalWin;
	externalWin.focus();
}

function isEmail (s)
{   if (isEmpty(s)) 
       if (isEmail.arguments.length == 1) return defaultEmptyOK;
       else return (isEmail.arguments[1] == true);
    if (isWhitespace(s)) return false;
    var i = 1;
    var sLength = s.length;
    while ((i < sLength) && (s.charAt(i) != "@"))
    { i++
    }
    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;
    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}

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

function isWhitespace (s)
{   var i;
    if (isEmpty(s)) return true;
    for (i = 0; i < s.length; i++)
    {   
        var c = s.charAt(i);
        if (whitespace.indexOf(c) == -1) return false;
    }
    return true;
}