var mn = new Array("obr0","obr1","obr2","obr3","obr4","obr5","obr6");
	var name = new Array("b_homepage","b_restaurants","b_about","b_press","b_contacts","b_czech","b_media");
	var obr_on = new Array(mn.length);
	var obr_off = new Array(mn.length);
	for (var i = 0; i < mn.length; i++) {
		obr_off[i] = new Image();
		obr_off[i].src = "img/button/" + name[i] + "_off.gif";
		//alert(obr_off[i].src);
		obr_on[i] = new Image();
		obr_on[i].src = "img/button/" + name[i] + "_on.gif";
	}
	function aktivace() {
		document.images[mn[menu_cislo]].src = obr_on[menu_cislo].src;
	}
	function off(cislo) {
		if (menu_cislo != cislo) document.images[mn[cislo]].src = obr_off[cislo].src;
	}
	function on(cislo) {
		if (menu_cislo != cislo) document.images[mn[cislo]].src = obr_on[cislo].src;
	}
	
	function openDir(form) { 
		var newIndex = form.redirect.selectedIndex; 
		if ( newIndex == 0 ) { 
			alert( "Select language!" ); 
		} else { 
			cururl = form.redirect.options[ newIndex ].value; 
			window.location.assign( cururl ); 
		} 
	}
	
	function openRst(form) { 
		var newIndex = form.rst.selectedIndex; 
		if ( newIndex == 0 ) { 
			alert( "Select restaurant!" ); 
		} else { 
			cururl = form.rst.options[ newIndex ].value; 
			window.location.assign( cururl ); 
		} 
	}
	
	function rozbalto(co, tl) {
		/*
			rozbalovač divu s automatickým prohazováním tlačítek
			co -> id divu
			tl -> name obrázkového tlačítka
			obrázkové tlačítko musí mít v názvu na konci:
			_on pro rozbal
			_off pro zabal
			ostatní části názvu obrázku musí být identické (příklad: tlacitko_on.gif a tlacitko_off.gif)
		*/
		if (document.getElementById(co) && document.images[tl]) {
			var co=document.getElementById(co);
			var tl=document.images[tl];
			var r=new RegExp(/.*_on\.[^\.0-9]*$/i);
			if (!this.tlp) {
				this.tlp=new Array();
			}
			this.tlp[tl.name]=new Image();
			co.style.display=(co.style.display!="block") ? "block" : "none";
			this.tlp[tl.name].src=(r.test(tl.src)) ? tl.src.replace(/(.*)_on(\.[^0-9]+)/i, "$1_off$2") : tl.src.replace(/(.*)_off(\.[^0-9]+)/i, "$1_on$2");
			tl.src=this.tlp[tl.name].src;
			this.casrtest=setTimeout("rozbaltotest('"+tl.name+"')", 50);
		}
		else {
			alert("Zadej správně id-čko divu a name obrázkového tlačítka!");
		}
	}
	function rozbaltotest(co) {
		if (this.tlp[co].complete) {
			clearTimeout(this.casrtest);
			document.images[co].src=this.tlp[co].src;
		}
		else {
			this.casrtest=setTimeout("rozbaltotest('"+co+"')", 50);
		}
	}

	function openBanner(myPath,myWidht,myHeight) {
		nx = Math.round(screen.availWidth/2) - Math.round(myWidht/2);
		ny = Math.round(screen.availHeight/2) - Math.round(myHeight/2);
		myWindow_stat = window.open(myPath,"myWin","left="+nx+",top="+ny+",width="+myWidht+",height="+myHeight+",toolbar=0,resizable=0,scrollbars=1");
	}