///////////////////////////////////////////////////////////////////
//////            os and browser detection             ////////////
///////////////////////////////////////////////////////////////////
function Is ()
{   // convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase()

    // *** BROWSER VERSION ***
    this.major = parseInt(navigator.appVersion)
    this.minor = parseFloat(navigator.appVersion)
    this.ns  = ((agt.indexOf('mozilla')!= -1) && ((agt.indexOf('spoofer')== -1) && (agt.indexOf('compatible') == -1)))
    this.ie   = (agt.indexOf("msie") != -1)

    // *** PLATFORM ***
    this.win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) )
    this.mac    = (agt.indexOf("mac")!=-1)
}

var is;
is = new Is();

var os_browser
if (is.win && is.ie) { os_browser = "win_ie"; }
else if (is.win && is.ns) { os_browser = "win_ns"; }
else if (is.mac && is.ie) { os_browser = "mac_ie"; }
else if (is.mac && is.ns) { os_browser = "mac_ns"; }


///////////////////////////////////////////////////////////////////
//////                 menu stuff                      ////////////
///////////////////////////////////////////////////////////////////
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) { //v3.0
 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); 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_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();
}
MM_reloadPage(true);

function MM_showHideLayers() { //v3.0
 var i,p,v,obj,args=MM_showHideLayers.arguments;
 for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
   if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
   obj.visibility=v; }
}

var keep=false
function keeproll(){
	keep=true
}

function checkroll(getlayer, imageName, ImageSrcName){
if (keep){
	MM_swapImage(imageName,'',view_folder + '/images/' + ImageSrcName ,1)
	MM_showHideLayers(getlayer,'','show');
	//MM_showHideLayers('ns'+getlayer,'','show');
	//keep=false
	}
else{
	MM_swapImgRestore();
	MM_showHideLayers(getlayer,'','hide')
	//MM_showHideLayers('ns'+getlayer,'','hide')
	}
	keep=false;
}


///////////////////////////////////////////////////////////////////
//////             hoofdmenu links                     ////////////
///////////////////////////////////////////////////////////////////
function buildMenu(level) {
var totalMenuItems;
var xPos;
var yPos;
var output;

// init vars
if (level=="home") {
	yPos = 91;
} else {
	yPos = 91;
}

totalMenuItems = 6; 
xPos = 50;
output = "";

	for( var t=0; t<totalMenuItems; t++) {
		getlayer = fab.menuRs[t].getlayer;
		imageName = fab.menuRs[t].imageName;
		ImageSrcName = fab.menuRs[t].ImageSrcName;
	//onMouseOver=\"keeproll();\" onMouseOut=\"checkroll('"+getlayer+"','"+imageName+"','"+ImageSrcName+"')\"
		if (is.ie){ output += "<div id=\""+getlayer+"\" style=\"border-top:solid 1px #000000;visibility:hidden; position:absolute;left:"+xPos+"px; top:"+yPos+"px; z-index:40\" onMouseOver=\"keeproll();checkroll('"+getlayer+"','"+imageName+"','"+ImageSrcName+"')\" onMouseOut=\"checkroll('"+getlayer+"','"+imageName+"','"+ImageSrcName+"')\">\n"; }
		else{ output += "<layer left =\""+xPos+"\" top=\""+yPos+"\" id=\""+getlayer+"\" onMouseOver=\"keeproll();checkroll('"+getlayer+"','"+imageName+"','"+ImageSrcName+"')\" onMouseOut=\"checkroll('"+getlayer+"','"+imageName+"','"+ImageSrcName+"')\" z-index=\"5\" visibility=\"hide\">\n";}
		tableWidth = (t==(totalMenuItems-1))?150:180;
    if (fab.menuRs[t].Rs.length>0) {
      output += "<table width=\"" + (tableWidth)+ "\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\"  bgcolor=\"#47A268\">\n";
  	  output += "<tr><td colspan=\"5\" height=\"2\"><img src=\"" + view_folder + "/images/extra/transp.gif\" width=\"2\" height=\"2\"></td></tr>\n";
  		for( var i=0; i<fab.menuRs[t].Rs.length; i++){
  			output += "<tr>\n";
  			output += "<td width=\"2\" valign=\"top\"><img src=\"" + view_folder + "/images/extra/transp.gif\" width=\"2\" height=\"20\"></td>\n";
  			output += "<td id=\"lb" + t + "_" + i + "\" width=\"10\" valign=\"top\"><img src=\"" + view_folder + "/images/extra/transp.gif\" width=\"10\" height=\"20\"></td>\n";
  			output += "<td id=\"mt" + t + "_" + i + "\" width=\"" + (tableWidth -20)+ "\" valign=\"middle\"><a href=\""+fab.menuRs[t].Rs[i].url+"\" class=\"hfdNav\" onmouseover=\"menuMouseOver('" + t + "_" + i + "')\" onmouseout=\"menuMouseOut('" + t + "_" + i + "')\">"+fab.menuRs[t].Rs[i].txt+"</a></td>\n";
  			output += "<td id=\"rb" + t + "_" + i + "\" width=\"10\" valign=\"top\"><img src=\"" + view_folder + "/images/extra/transp.gif\" width=\"10\" height=\"20\"></td>\n";
  			output += "<td width=\"2\" valign=\"top\"><img src=\"" + view_folder + "/images/extra/transp.gif\" width=\"2\" height=\"20\"></td>\n";
  			output += "</tr>\n";
  		}	
  	  output += "<tr><td colspan=\"5\" height=\"2\"><img src=\"" + view_folder + "/images/extra/transp.gif\" width=\"2\" height=\"2\"></td></tr>\n";
  		output += "</table>\n";
		}
    output +=  (is.ns) ? "</layer>\n": "</div>\n";
		xPos += fab.menuRs[t].imageWidth;
	}
	return output
}

function menuMouseOver(object) {  
  //alert(document.all("lb" + object).style.backgroundColor)                          
  document.all("lb" + object).style.backgroundColor = "#daecb8";
  document.all("mt" + object).style.backgroundColor = "#daecb8";
  document.all("rb" + object).style.backgroundColor = "#daecb8";
}

function menuMouseOut(object) {  
  //alert(document.all("lb" + object).style.backgroundColor)                          
  document.all("lb" + object).style.backgroundColor = "#47A268";
  document.all("mt" + object).style.backgroundColor = "#47A268";
  document.all("rb" + object).style.backgroundColor = "#47A268";
}

function menuObj( _layer, _imageName, _ImageSrcName, _imageWidth, _isActive )
{
	this.getlayer = _layer;
	this.imageName = _imageName;
	this.ImageSrcName = _ImageSrcName;
	this.imageWidth = _imageWidth;
	this.subItems = 100;
	this.isActive = _isActive;
	this.Rs = new Array();
}

function RsObj( _link, _text )
{
	this.url = _link;
	this.txt = _text;
}

function createMenu()
{
	this.menuRs = new Array();
}

var fab = new createMenu();