// very simple fontsizer
// LANDSIEDEL | MÜLLER | FLAGMEYER - www.l-m-f.
// 2009

// default fontsize
var fontsize=11;

// current date
var a = new Date();

// read cookie and switch the style
function getTextSize() {
	if (document.cookie) {
		document.getElementById("main").style.fontSize=""+getCookie()+"px";
	}
	else
		document.getElementById("main").style.fontSize="11px";
}

// fontsize switcher
function setTextSize(dec) {
	fontsize=(document.getElementById("main").style.fontSize) ? pxByNumber(document.getElementById("main").style.fontSize) : fontsize;
	if (dec!=0) {
		if (dec==1)
			fontsize<14 ? fontsize+=1 : fontsize=fontsize;
		else
			fontsize>9 ? fontsize-=1 : fontsize=fontsize;
	}
	else
		fontsize=11;

	document.getElementById("main").style.fontSize=""+fontsize+"px";
	
	setCookie(fontsize);
}

// get current fontsize value and replace 'px' from value
function pxByNumber(px) {
	return px.substring(0,px.length-2)*1;
}

// save the fontsize to cookie
function setCookie(fontsize) {
	a = new Date(a.getTime() +1000*60*60*24*365);
	document.cookie = 'kr_fontsize='+fontsize+'; expires='+a.toGMTString()+';';
}

// get cookie with the fontsize value
function getCookie(){
   var i=0  //Suchposition im Cookie
   var suche = "kr_fontsize=";
   while (i<document.cookie.length){
      if (document.cookie.substring(i, i+suche.length)==suche){
         var ende = document.cookie.indexOf(";", i+suche.length)
         ende = (ende>-1) ? ende : document.cookie.length
         var cook = document.cookie.substring(i+suche.length, ende)
         return unescape(cook)
      }
      i++
   }
   return null
}



// reload images
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_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];
		}
}


function MM_showHideLayers() { //v6.0
	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;
		}
}

// ende