<!--
// rolovani textu
function verifyCompatibleBrowser(){
	this.ver=navigator.appVersion;
    this.dom = document.getElementById?1:0;
    this.ie5 = (this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
    this.ie4 = (document.all && !this.dom)?1:0; 
    this.ns5 = (this.dom && parseInt(this.ver) >= 5) ?1:0; 
    this.ns4 = (document.layers && !this.dom)?1:0; 
    return this 
} 
bw = new verifyCompatibleBrowser() 
 
function ConstructObject(obj,obj2){ 
    obj2=(!obj2) ? '':'document.'+obj2+'.' 
    this.objekt = bw.dom ? document.getElementById(obj):bw.ie4 ? document.all[obj]:bw.ns4 ? eval(obj2+'document.'+obj):0; 
    this.css = bw.dom ? document.getElementById(obj).style:bw.ie4 ? document.all[obj].style:bw.ns4 ? eval(obj2+'document.'+obj):0; 
    this.scrollHeight = bw.ns4 ? this.css.document.height:this.objekt.offsetHeight 
    this.clipHeight = bw.ns4 ? this.css.clip.height:this.objekt.offsetHeight 
    this.up = MoveAreaUp; this.down = MoveAreaDown; 
    this.MoveArea = MoveArea; this.x; this.y; 
    return this 
} 

var odpocet = 140;
function MoveArea(y){ 
	this.y = y; 
    this.css.top = this.y;
} 

var loop; 
function MoveAreaDown(move){ 
	if(this.y> - this.scrollHeight + objScrollArea.clipHeight){ 
    this.MoveArea(this.y-move) 
    if(loop) setTimeout("objDivContent.down("+move+")",odpocet) 
	} 
} 
function MoveAreaUp(move){ 
	if(this.y<0){ 
    this.MoveArea(this.y-move) 
    if(loop) setTimeout("objDivContent.up("+move+")",odpocet) 
	} 
} 
 


function scrolluj(speed){ 
	if(inicializuj){ 
		loop=true; 
		if(speed>0) objDivContent.down(speed) 
		else objDivContent.up(speed) 
	} 
} 
 
function zastav(){ 
    loop=false;
} 
var initialised; 
function inicializuj(){ 
    objScrollArea=new ConstructObject('scrollArea') 
    objDivContent=new ConstructObject('divContent','scrollArea') 
    objDivContent.MoveArea(0) 
    objScrollArea.css.visibility='visible' 
    initialised=true;
} 

//zmena obrazku pri najeti mysi
function getAppVersion() {
	 appname=navigator.appName;
	 appversion=navigator.appVersion;
	 majorver=appversion.substring(0,1);
	 if((appname=="Netscape")&&(majorver>=3))return 1;
	 if((appname=="Microsoft Internet Explorer")&&(majorver>=4))return 1;
	 return 0;
	}
	
function swtch(num,imgname) {
	 if (getAppVersion()) {
	  document[imgname].src=img[num].src;
	 }
	}
	
	imgsrc=new Array();
	//zde jsou vloženy cesty pro jednotlivá tlačítka
	imgsrc[1]="img/bt_home_a.gif";
	imgsrc[2]="img/bt_home.gif";
	imgsrc[3]="img/bt_o_nas_a.gif";
	imgsrc[4]="img/bt_o_nas.gif";
	imgsrc[5]="img/bt_produkty_a.gif";
	imgsrc[6]="img/bt_produkty.gif";
	imgsrc[7]="img/bt_sluzby_a.gif";
	imgsrc[8]="img/bt_sluzby.gif";
	imgsrc[9]="img/bt_reference_a.gif";
	imgsrc[10]="img/bt_reference.gif";
	imgsrc[11]="img/bt_kontakt_a.gif";
	imgsrc[12]="img/bt_kontakt.gif";
	imgsrc[13]="img/nahoru_w.gif";
	imgsrc[14]="img/nahoru_g.gif";
	imgsrc[15]="img/dolu_w.gif";
	imgsrc[16]="img/dolu_g.gif"
			
	if(getAppVersion()) {
	 img=new Array();
	     vse_img=new Array();
	 for(i=0;i<imgsrc.length;i++) {
	  img[i]=new Image();
	  img[i].src=imgsrc[i];
	 }
	}	
// -->