// JavaScript

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];}
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function newWin(url, name) {
                        var l = newWin.arguments.length;
                        var w = "";
                        var h = "";
                        var features = "";

                        for (i=2; i<l; i++) {
                          var param = newWin.arguments[i];
                          if ( (parseInt(param) == 0) ||
                            (isNaN(parseInt(param))) ) {
                            features += param + ',';
                          } else {
                            (w == "") ? w = "width=" + param + "," :
                              h = "height=" + param;
                          }
                        }

                        features += w + h;

  						var randnum = Math.floor(Math.random()*999);
						randnum = randnum + '';
						name = name + randnum;
//						alert(name);

                        var code = "popupWin = window.open(url, name";
                        if (l > 2) code += ", '" + features;
                        code += "')";
                        eval(code);
}
var popUpWin=0;
function popUpWindowSimple(URLStr, left, top, width, height)
{
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}
var popUpWin2=0;
function showScreenPreview(strCatID, strImg)
{
  if(popUpWin2)
  {
    if(!popUpWin2.closed) popUpWin2.close();
  }
  popUpWin2 = open('screen_preview.php?c='+strCatID+'&i='+strImg, 'popUpWin2', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=yes,copyhistory=yes,width=1000,height=610,left=0,top=0,screenX=0,screenY=0');
}

function ShowHideDiv( divName, onoff )
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( divName );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[divName];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[divName];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  //if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
  //  vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  //vis.display = (vis.display==''||vis.display=='block')?'none':'block';
  if (onoff == '0') {
  	vis.display = 'none';
  } else {
  	vis.display = 'block';
  }
}

function switchMenu(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	} else {
		el.style.display = '';
	}
}

// Example:
// alert( readCookie("myCookie") );
function readCookie(name)
{
  var cookieValue = "";
  var search = name + "=";
  if(document.cookie.length > 0)
  { 
    offset = document.cookie.indexOf(search);
    if (offset != -1)
    { 
      offset += search.length;
      end = document.cookie.indexOf(";", offset);
      if (end == -1) end = document.cookie.length;
      cookieValue = unescape(document.cookie.substring(offset, end))
    }
  }
  return cookieValue;
}
// Example:
// writeCookie("myCookie", "my name", 24);
// Stores the string "my name" in the cookie "myCookie" which expires after 24 hours.
function writeCookie(name, value, hours)
{
  var expire = "";
  if(hours != null)
  {
    expire = new Date((new Date()).getTime() + hours * 3600000);
    expire = "; expires=" + expire.toGMTString();
  }
  document.cookie = name + "=" + escape(value) + "; domain=www.weightbydate.com; path=/" + expire;
}