// check browser

var IE4 = (document.all && !document.getElementById) ? true : false;
var NS4 = (document.layers) ? true : false;
var IE5 = (document.all && document.getElementById) ? true : false;
var NS6 = (document.getElementById && !document.all) ? true : false;
var cookieName = "spReferringSite";


// roll-over scripts

function swapOver(n) {
    if (document.images) {
        document.images['image'+n].src = eval("on" + n + ".src");
    }
}

function swapOut(n) {
    if (document.images) {
        document.images['image'+n].src = eval("off" + n + ".src");
    }
}



// window open script

function openWin(loc,title,w,h,extras) {

    screenWidth = screen.availWidth;
    screenHeight = screen.availHeight;
    winWidth = w;
    winHeight = h;
    winX = (screenWidth / 2) - (w / 2);
    winY = (screenHeight / 2) - (h / 2);
    
    if (extras) {
    } else {
        extras = "";
    }
    params = "width=" + w + ",height=" + h + ",left=" + winX + ",top=" + winY + "," + extras;

    window.open(loc,title,params);
}



// page location script

function pageLoc() {
    pageStr = location.href;
    pageStrLen = pageStr.length;
    charFind = "/";
    charLoc = pageStr.lastIndexOf(charFind);
    pageStr = pageStr.substr(charLoc+1, pageStrLen);
    charFind = "?";
    charLoc = pageStr.indexOf(charFind);
    if(charLoc > -1) {
        pageStr = pageStr.substr(0, charLoc);
    }
}

// rollover arrow script

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) { //v3.0
  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); 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];}
}