var obr_on;
var obr_off;
	
function init1()
{
obr_on=new Array(7);
obr_off=new Array(7);
	for(i=0;i<8;i++)
	{
		obr_on[i]=new Image();
		obr_off[i]=new Image();
	}
	obr_on[0].src="images/ico/ico_tym_on.jpg";
	obr_off[0].src="images/ico/ico_tym.jpg";
	obr_on[1].src="images/ico/ico_domu_on.jpg";
	obr_off[1].src="images/ico/ico_domu.jpg";
	obr_on[2].src="images/ico/ico_email_on.jpg";
	obr_off[2].src="images/ico/ico_email.jpg";
	obr_on[3].src="images/ico/ico_historie_on1.jpg";
	obr_off[3].src="images/ico/ico_historie.jpg";
	obr_on[4].src="images/ico/ico_sluzby_on1.jpg";
	obr_off[4].src="images/ico/ico_sluzby.jpg";
	obr_on[5].src="images/ico/ico_vybaveni_on1.jpg";
	obr_off[5].src="images/ico/ico_vybaveni.jpg";
	obr_on[6].src="images/ico/ico_promeny_on.gif";
	obr_off[6].src="images/ico/ico_promeny.gif";
	obr_on[7].src="images/ico/ico_mapa_on1.gif";
	obr_off[7].src="images/ico/ico_mapa.gif";
}

function init2()
{
obr_on=new Array(6);
obr_off=new Array(6);
	for(i=0;i<8;i++)
	{
		obr_on[i]=new Image();
		obr_off[i]=new Image();
	}
	obr_on[0].src="images/ico/ico_tym_on2.jpg";
	obr_off[0].src="images/ico/ico_tym2.jpg";
	obr_on[1].src="images/ico/ico_domu_on.jpg";
	obr_off[1].src="images/ico/ico_domu2.jpg";
	obr_on[2].src="images/ico/ico_email_on2.jpg";
	obr_off[2].src="images/ico/ico_email2.jpg";
	obr_on[3].src="images/ico/ico_historie_on2.jpg";
	obr_off[3].src="images/ico/ico_historie2.jpg";
	obr_on[4].src="images/ico/ico_sluzby_on.jpg";
	obr_off[4].src="images/ico/ico_sluzby.jpg";
	obr_on[5].src="images/ico/ico_vybaveni_on2.jpg";
	obr_off[5].src="images/ico/ico_vybaveni2.jpg";
	obr_on[7].src="images/ico/ico_mapa_on2.jpg";
	obr_off[7].src="images/ico/ico_mapa2.gif";
}
	
function parse_menu(name)
{
	var res=-1;
	switch(name)
	{
		case "tym"		:res=0;break;
		case "domu"		:res=1;break;
		case "email"	:res=2;break;
		case "historie"	:res=3;break;
		case "sluzby"	:res=4;break;
		case "vybaveni"	:res=5;break;
		case "promeny"	:res=6;break;
		case "mapa"	    :res=7;break;
		default:		res=-1;
	}
	return res;
}

function make_on(w)
{
	document.images[w].src=obr_on[parse_menu(w)].src;
}
function make_off(w)
{
	document.images[w].src=obr_off[parse_menu(w)].src;
}

function vertical_center(obj)
{
	document.getElementById(obj).style.position="relative";
	var pos;
	if(window.screen.height<=600)
		pos=0;
	else if(window.screen.height<=768)
		pos=0;//window.screen.height/36;
	else
		pos=window.screen.height/6;
	document.getElementById(obj).style.top=pos;
}

function show_dialog(width,height,prefix,co,name)// (adr,htm,window name)
{
	url="./"+prefix + "/" + co + ".htm";
	prop="width=" + width + ",height=" + height + ",menubar=no,toolbar=no,locationbar=no,personalbar=no,scrollbars=no,status=no";
	w=window.open(url,name,prop)
	w.resizeTo(width,height);
	//w.moveTo((window.screen.width-width)/2 ,(window.screen.height-height)/2)
	w.focus();
	//w.onunload=close();
	//window.showModalDialog(url,null,"dialogWidth:39;dialogHeight:19"); //
}