/**
 * utils.js
 */

//This is an image preloader.  It loads the mouseover images in the nav.
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];}}
}

//These next 3 functions deal with the mouseovers in the nav
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) { //v4.0
  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;
}

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];}
}

//Netscape 4 resizer
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
 if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
  document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
 else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
 MM_reloadPage(true);

//jump menu for quick links
 function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

// Generic popup window function
// You can pass in height & width attributes for the new popup window,
// or let the script use its defaults
function popup(url, width, height) {
	if(!popup.arguments[1]) { var width = 800; }
	if(!popup.arguments[2]) { var height = 600; }
	var details = "scrollbars,toolbar,resizable,location,status,height=" + height +",width=" + width;
	window.open(url,"",details);
}

function fnIsNum(field)
{
    var valid = "0123456789";
    var ok = true;
    var temp;
    for (var i=0; i < field.value.length; i++)
    {
        temp = "" + field.value.substring(i, i + 1);
        if (valid.indexOf(temp) == "-1")
        {
            ok = false;
        }
    }
    return ok;
}
function fnDisplayURPopUp(szLocation)
{   
    var oPopUp = null;
    
    var iWidth = 500;
    var iHeight = 400;
    var iX = (screen.width - iWidth) / 2;
    var iY = (screen.height - iHeight) / 2;
    var szAttributes = "toolbar=no,location=no,directories=no,status=no,";
        szAttributes += "menubar=no,scrollbars=yes,resizable=yes,";
        szAttributes += "copyhistory=no,width=" + iWidth + ",height=" + iHeight;
        szAttributes += ",screenX=" + iX + ",screenY=" + iY;
    
    if (oPopUp && !oPopUp.closed)
    {
        oPopUp.close();
    }

    oPopUp = window.open(szLocation, "UtilizationReview", szAttributes);
}