/****************************************************************************************************
/ IMAGE SWAP FUNCTIONS
/***************************************************************************************************/

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) { //v4.01
  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];}
}

/****************************************************************************************/

// Code required for opening popup windows
/*
function SymError()
{
  return true;
}

window.onerror = SymError;

var SymRealWinOpen = window.open;

function SymWinOpen(url, name, attributes)
{
  return (new Object());
}

window.open = SymWinOpen;
*/
// Open a popup window
function popup(page, width, height, scrollbars)
{
	window.open(page,'popWin','scrollbars='+scrollbars+',width='+width+',height='+height+',toolbar=0,status=0,menubar=0,links=0,resizable=0,top='+((screen.height/2)-(width/2))+', left='+((screen.width/2)-(height/2))+'');
}

/******************************************************************************************/

function toggle_display(id)
{
	document.getElementById(id).style.display = document.getElementById(id).style.display == "inline" ? "none" : "inline";
}

//////////FLASH FUNCTIONS////////////
function thisMovie(movieName) 
{
	var isIE = navigator.appName.indexOf("Microsoft") != -1;
	return (isIE) ? window[movieName] : document[movieName];
}

function loadFlv(id,element,path) 
{
	thisMovie(id).loadFlvFile(path);
	document.getElementById('now_playing').innerHTML = element.innerHTML;
}

//put this outside of the page to get rid of active content border in IE6
function showflash(path, id, width, height)
{
	document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,28,0" width="'+width+'" height="'+height+'" id="'+id+'">'
          +'<param name="movie" value="'+path+'" />'
          +'<param name="quality" value="high" />'
		  +'<param name="wmode" value="transparent">'
		  +'<param name="allowScriptAccess" value="always" />'
          +'<embed src="'+path+'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" wmode="transparent" type="application/x-shockwave-flash" width="'+width+'" height="'+height+'" name="'+id+'" swLiveConnect="true"></embed>'
		  +'</object>');
}


/******************************************************************************************/

//tabs functions

function toggle_tab(that,num,num_tabs)
{
	document.getElementById('nav_static').id = 'nav_link';
	that.id = 'nav_static';
	//hide all the content of the tabs
	for(var i = 0; i < num_tabs; i++)
	{
		document.getElementById('tab_pane_'+i).style.display = 'none';	
	}
	
	//show the content of that tab
	document.getElementById('tab_pane_'+num).style.display = 'block';
}

/****************************************************************************************/

// forms

function selectItem(id,value)
{
	for (var i = 0; i < document.getElementById(id).options.length; i++) {
		if (document.getElementById(id).options[i].value == value)
			document.getElementById(id).options[i].selected = true;
	}
}

//set item_name in enrollment form
function setItemName()
{
	var list = document.getElementById('class_list');
	document.getElementById('item_name').value = class_names['id_'+list.options[list.options.selectedIndex].value];
	return true;
}

//set focus for fckeditor instances that where hidden initially (only for firefox)
function FckFocus(fields)
{			
	// This is a hack for Gecko... it stops editing when the editor is hidden.
	if (!document.all && fields['textbox'] !== 'undefined')
	{
		for(i = 0; i < fields['textbox'].length; i++)
		{
			var oEditor = FCKeditorAPI.GetInstance('1_'+fields['textbox'][i]);
	
			if (oEditor.EditMode == FCK_EDITMODE_WYSIWYG)
				oEditor.MakeEditable();
		}
	}
}