// js/general.js
// Copyright (c) 2000-2006 SpuyMore Web/Applications
//
// General client-side utilities, event handlers and form handling routines
// Preferably loaded in a first script tag on a page

/*** IMAGE LOADING AND SWAPPING ***/

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_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_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];}
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


/*** DHTML MENU'S ***/

var dmTimeOut='';
var oActiveMenu='';

function dOpen(menuId) { // (c)SpuyMore v1.0
  oActiveMenu=menuId;
  if((obj=MM_findObj(menuId).style).display!='block')obj.display='block';
  dCloseNow();
}

function dClose() { // (c)SpuyMore v1.0
  dmTimeOut=setTimeout('dCloseNow()',300);
}

function dCloseNow() { // (c)SpuyMore v1.0
  clearTimeout(dmTimeOut);
  var i=0;
  while(o=MM_findObj(m="hmenu"+i)){ // close horizontal menu's, if not active
    if(oActiveMenu!=m)o.style.display='none';
    i++;
  };
  var i=0;
  while(o=MM_findObj(m="vmenu"+i)){ // close vertical menu's, if not active
    if(oActiveMenu!=m)o.style.display='none';
    i++;
  };
  oActiveMenu='';
}

/*** THEME HANDLING ***/

function toggleTheme()
{
  var iSize = (window.document.cookie.length &&
	             /theme=(\d+)/.exec(window.document.cookie))
	            ? (parseInt(RegExp.$1,10) + 1) % 3
							: 1;
  window.document.cookie =
	  "theme=" + iSize +
	  "; domain=" + window.location.hostname +
		"; path=/" +
    (window.navigator.cookieEnabled ? "; expires=" + (new Date(2030,12)).toGMTString() : "");
  window.document.location.reload();
}