// JavaScript Document


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 setPermalink(the_url) {
	var atag = top.document.getElementById('permalink_a');
	if(atag) {
		atag.href = the_url;
	}
	atag = top.document.getElementById('language_a');
	if(atag) {
		var idx = the_url.indexOf("&lang=en");
		if(idx > -1) {
			the_url = the_url.substr(0, idx);
		} else {
			the_url = the_url + "&lang=en";
		}
		atag.href = the_url;
	}
//	top.permalink_href = the_url;
//	var foot = document.getElementById("foot_if");
//	if(foot.contentWindow) {
//		foot.contentWindow.setPermalinkURL(the_url);
//	}
}

var currMainMenuItem = 0;

function setSelected(itemNr) {
  if(currMainMenuItem != itemNr) {resetSelected();}
	for(i=1; i<8; i++) {
		if(itemNr == +i) MM_swapImage("topmenu_"+i, "", "./img/menu/top_r"+i+"_c1_f3.gif", 1);
	}
  currMainMenuItem = itemNr;
}

function resetSelected() {
  currMainMenuItem = 0;
	for(i=1; i<8; i++) {
  	MM_swapImage("topmenu_"+i, "", "img/menu/top_r"+i+"_c1.gif", 1);
	}
}



function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

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++) {
  	if(x.src.indexOf("_f3.")<0) x.src=x.oSrc;
	}
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments;
  // if(a[0] != currMainMenuItemID) {
    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 getWindowHeight() {
	var hg = 500;
	if (document.all && document.getElementById) {
		hg = ( document.compatMode == "CSS1Compat" ) ? document.documentElement.clientHeight  : document.body.clientHeight ;
	} else {
		hg = window.innerHeight;
	}
	return hg;
}

function adjustLayoutHeight() {
	if(!isMobileSafari()) {
   var h=top.getWindowHeight();
   h = h-112-60-32-4 + 24;        // new: smaller foot
	 
	 var subMenuTD = top.document.getElementById("sub_menu_td");
	 if(subMenuTD) {
		 h -= 60;
	 }
	 
   var theIframe = top.document.getElementById("content_right");
	 if(!theIframe) {
		theIframe =  top.document.getElementById("content_wide");
	 }
   if(theIframe) {
	   if(theIframe.style) { theIframe.style.height = h+"px"; }
	   else { theIframe.height = h; }
   }
	 theIframe = top.document.getElementById("content_play");
   if(theIframe) {
	   if(theIframe.style) { theIframe.style.height = h+"px"; }
	   else { theIframe.height = h; }
   }
	 theIframe = top.document.getElementById("content_left");
   if(theIframe) {
	   if(theIframe.style) { theIframe.style.height = h+"px"; }
	   else { theIframe.height = h; }
   }
	}
}



function hilightTopMenuItem(item_name) {
    if(item_name == "") {
      top.resetSelected();
    } else {
      top.setSelected(item_name);
    }
}

function hilightSubMenuItem(actNr) {
	var tags = document.getElementsByTagName("a");
	var tc = tags.length;
	for(var i=0; i<tc; i++) {
		if(tags[i].id.indexOf("submenu_item_") == 0) {
			if(tags[i].id == "submenu_item_"+actNr) {
				tags[i].className = "green_sub_act";
			} else {
				tags[i].className = "green_sub";
			}
		}
	}
}



function openPopWindow(doc, winname, wd, hg) {
	if(isMobileSafari()) {
		top.location.href = doc;
	} else {
		var h = (screen.width-wd)/2; if(h<0) h=0;
		var v = (screen.height-hg)/2; v=parseInt(v*4/5);
		window.open(doc,winname,"toolbar=no,location=no,status=no,resizable=no,scrollbars=no,width="+wd+",height="+hg+",left="+h+",top="+v);
	}
}


function iPhoneFlashAlert() {
	if(isMobileSafari()) {
		alert("Flash Player is not available for iPhone and iPod Touch.");
		return true;
	}
	return false;
}
function iPhoneShockwaveAlert() {
	if(isMobileSafari()) {
		alert("Shockwave Player is not available for iPhone and iPod Touch.");
		return true;
	}
	return false;
}


function isMobileSafari() {
	return (navigator.userAgent.indexOf("iPhone") > -1 || navigator.userAgent.indexOf("iPod") > -1);
}
