function show(obj1,obj2,obj3,obj4) {
 if (document.getElementById) {
  document.getElementById(obj1).style.display = 'block';
  document.getElementById(obj2).style.display = 'none';
  document.getElementById(obj3).style.display = 'none';
  document.getElementById(obj4).style.display = 'none';
  document.getElementById('recurtime').style.display = 'block';
 } else if (document.all) {
  document.all[obj1].style.display = 'block';
  document.all[obj2].style.display = 'none';
  document.all[obj3].style.display = 'none';
  document.all[obj4].style.display = 'none';
  document.all['recurtime'].style.display = 'block';
 }
}
function hideall() {
 if (document.getElementById) {
  document.getElementById('daily').style.display = 'none';
  document.getElementById('weekly').style.display = 'none';
  document.getElementById('monthly').style.display = 'none';
  document.getElementById('yearly').style.display = 'none';
  document.getElementById('recurtime').style.display = 'none';
  } else if (document.all) {
  document.all['daily'].style.display = 'none';
  document.all['weekly'].style.display = 'none';
  document.all['monthly'].style.display = 'none';
  document.all['yearly'].style.display = 'none';
  document.all['recurtime'].style.display = 'none';
 }
}
function toggle(item) {
  if(document.getElementById) {
    if (document.getElementById(item).style.display == 'block') {
      document.getElementById(item).style.display = 'none';
      if(item == 'filters') {
        savepref(url,'expandstatus','closed');
      }
    } else {
      document.getElementById(item).style.display = 'block';
      if(item == 'filters') {
        savepref(url,'expandstatus','open');
      }
    }
  } else if(document.all) {
    if (document.all[item].style.display == 'block') {
      document.all[item].style.display = 'none';
      if(item == 'filters') {
        savepref(url,'expandstatus','closed');
      }
    } else {
      document.all[item].style.display = 'block';
      if(item == 'filters') {
        savepref(url,'expandstatus','open');
      }
    }
  }
}
function showcustomise(type) {
	if(type == 'show') {
	    document.getElementById('customiseback').style.display = 'block';
	    document.getElementById('customisepanel').style.display = 'block';
	    document.getElementById('day').style.display = 'none';
	    document.getElementById('month').style.display = 'none';
	    document.getElementById('year').style.display = 'none';	    	    
	    getcustpanel(url);
	} else if(type == 'hide') {
	    document.getElementById('customiseback').style.display = 'none';
	    document.getElementById('customisepanel').style.display = 'none';
	    document.getElementById('day').style.display = 'inline';
	    document.getElementById('month').style.display = 'inline';
	    document.getElementById('year').style.display = 'inline';		    
	}
}
function toggleall() {
    var on = 0;
    var off = 0;
    for(var i=0;i<cats.length;i++) {
      if(document.getElementById(cats[i]).checked) {
        on++;
      } else {
        off++;
      }
    }
    if((on == 0) || ((on != 0) && (off != 0))) {
      for(var i=0;i<cats.length;i++) {
        document.getElementById(cats[i]).checked = true;
      }    
    } else if(off == 0) {
      for(var i=0;i<cats.length;i++) {
        document.getElementById(cats[i]).checked = false;
      }   
    }  
}
function setallday(id) {
    if((document.getElementById('allday') != null) || (document.getElementById(id+'allday') != null)) {
      if(id == 'main') {
        if(document.getElementById('allday').checked) {
            document.getElementById('starthour').disabled = true;
            document.getElementById('starthour').className = 'boxdisabled';
            document.getElementById('startminute').disabled = true;
            document.getElementById('startminute').className = 'boxdisabled';
            document.getElementById('endhour').disabled = true;
            document.getElementById('endhour').className = 'boxdisabled';
            document.getElementById('endminute').disabled = true;
            document.getElementById('endminute').className = 'boxdisabled';
        } else if(!document.getElementById('allday').checked) {
            document.getElementById('starthour').disabled = false;
            document.getElementById('starthour').className = 'small';
            document.getElementById('starthour').focus();
            document.getElementById('starthour').select();
            document.getElementById('startminute').disabled = false;
            document.getElementById('startminute').className = 'small';
            document.getElementById('endhour').disabled = false;
            document.getElementById('endhour').className = 'small';
            document.getElementById('endminute').disabled = false;
            document.getElementById('endminute').className = 'small';
        }
      } else {
        if(document.getElementById(id+'allday').checked) {
            document.getElementById(id+'starthour').disabled = true;
            document.getElementById(id+'starthour').className = 'boxdisabled';
            document.getElementById(id+'startminute').disabled = true;
            document.getElementById(id+'startminute').className = 'boxdisabled';
            document.getElementById(id+'endhour').disabled = true;
            document.getElementById(id+'endhour').className = 'boxdisabled';
            document.getElementById(id+'endminute').disabled = true;
            document.getElementById(id+'endminute').className = 'boxdisabled';
        } else if(!document.getElementById(id+'allday').checked) {
            document.getElementById(id+'starthour').disabled = false;
            document.getElementById(id+'starthour').className = 'small';
            document.getElementById(id+'starthour').focus();
            document.getElementById(id+'starthour').select();            
            document.getElementById(id+'startminute').disabled = false;
            document.getElementById(id+'startminute').className = 'small';
            document.getElementById(id+'endhour').disabled = false;
            document.getElementById(id+'endhour').className = 'small';
            document.getElementById(id+'endminute').disabled = false;
            document.getElementById(id+'endminute').className = 'small';
        }
      }
    }
}
function advmin(type,id) {         
         if(id == 'main') {
           if(document.getElementById(type+'hour').value.length==2) {
             document.getElementById(type + "minute").select();
             document.getElementById(type + "minute").focus();
           }
         } else {
           if(document.getElementById(id+type+'hour').value.length==2) {
             document.getElementById(id+type+'minute').value='';
             document.getElementById(id+type+'minute').focus();
           }                  
         }
}
function setchecks(type) {
         var f = document.getElementById('listtable');
         var inputs = f.getElementsByTagName("input");
         if(type == 'all') {
           for(var t = 0;t < inputs.length;t++) {
             if(inputs[t].type == "checkbox") {
               inputs[t].checked = true;
             }
           }
         } else if(type == 'none') {
           for(var t = 0;t < inputs.length;t++) {
             if(inputs[t].type == "checkbox") {
               inputs[t].checked = false;
             }
           }
         } else if(type == 'invert') {
           for(var t = 0;t < inputs.length;t++){
             if(inputs[t].type == "checkbox") {
               inputs[t].checked = !inputs[t].checked;
             }
           }
         }
}
function setallbox() {
	var onnum = 0;
        for(var i=0;i<cats.length;i++) {
          if(document.getElementById(cats[i]).checked) {
            onnum++;
          }
        }
        if(cats.length == onnum) {
       	  document.getElementById('catAll').checked = true;
        }
}
function updatecats() {
	for(var c in cats) {
       	  var boxname = document.getElementById(cats[c]+'name');
       	  var tds = document.getElementsByTagName('div');
          for(i=0;i<tds.length;i++) {
            if(tds[i].className == cats[c]) {
              if(boxname.checked == true) {
                tds[i].style.display = 'block';
     	      } else {
                tds[i].style.display = 'none';
   	      }
            }
          }
        }
}
/***********************************************
* Drop Down/ Overlapping Content- © Dynamic Drive (www.dynamicdrive.com)
* This notice must stay intact for legal use.
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/
var checkflag = "false";
function check(field) {
  if (checkflag == "false") {
    for (i = 0; i < field.length; i++) {
      field[i].checked = true;
    }
    checkflag = "true";
  } else {
    for (i = 0; i < field.length; i++) {
      field[i].checked = false;
    }
    checkflag = "false";
  }
}
var disappeardelay=250 //menu disappear speed onMouseout (in miliseconds)
var enableanchorlink=0 //Enable or disable the anchor link when clicked on? (1=e, 0=d)
var hidemenu_onclick=1 //hide menu when user clicks within menu? (1=yes, 0=no)
var ie5=document.all
var ns6=document.getElementById&&!document.all
function getposOffset(what, offsettype){
	var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
	var parentEl=what.offsetParent;
	while (parentEl!=null){
		totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
		parentEl=parentEl.offsetParent;
	}
	return totaloffset;
}
function showhide(obj, e, visible, hidden){
	if (ie5||ns6) dropmenuobj.style.left=dropmenuobj.style.top=-500
	if(e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
		obj.visibility=visible
	else if(e.type=="click")
		obj.visibility=hidden
}
function iecompattest(){
	return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}
function clearbrowseredge(obj, whichedge){
	var edgeoffset=0
	if(whichedge=="rightedge"){
		var windowedge=ie5 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
		dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
		if(windowedge-dropmenuobj.x < dropmenuobj.contentmeasure)
			edgeoffset=dropmenuobj.contentmeasure-obj.offsetWidth
	} else {
		var topedge=ie5 && !window.opera? iecompattest().scrollTop : window.pageYOffset
		var windowedge=ie5 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
		dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
		if(windowedge-dropmenuobj.y < dropmenuobj.contentmeasure) { //move up?
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetHeight
			if((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either?
				edgeoffset=dropmenuobj.y+obj.offsetHeight-topedge
		}
	}
	return edgeoffset
}
function dropdownmenu(obj, e, dropmenuID){
	if (window.event) event.cancelBubble=true
	else if (e.stopPropagation) e.stopPropagation()
	if (typeof dropmenuobj!="undefined") //hide previous menu
		dropmenuobj.style.visibility="hidden"
		clearhidemenu()
	if (ie5||ns6){
		obj.onmouseout=delayhidemenu
		dropmenuobj=document.getElementById(dropmenuID)
		if (hidemenu_onclick) dropmenuobj.onclick=function(){dropmenuobj.style.visibility='hidden'}
		dropmenuobj.onmouseover=clearhidemenu
		dropmenuobj.onmouseout=ie5? function(){ dynamichide(event)} : function(event){ dynamichide(event)}
		showhide(dropmenuobj.style, e, "visible", "hidden")
		dropmenuobj.x=getposOffset(obj, "left")
		dropmenuobj.y=getposOffset(obj, "top")
		dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+"px"
		dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+"px"
	}
	return menuvalue()
}
function menuvalue(){
	if ((ie5||ns6) && !enableanchorlink) return false
	else return true
}
function contains_ns6(a, b) {
	while (b.parentNode)
		if ((b = b.parentNode) == a)
			return true;
		return false;
}				
function dynamichide(e){
	if (ie5&&!dropmenuobj.contains(e.toElement))
		delayhidemenu()
	else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
		delayhidemenu()
}
function delayhidemenu(){
	delayhide=setTimeout("dropmenuobj.style.visibility='hidden'",disappeardelay)
}
function clearhidemenu(){
	if (typeof delayhide!="undefined")
		clearTimeout(delayhide)
}