function y3k_getObj(id) {
	if (typeof id != "string") return id;  
	else return document.getElementById(id);
}

function y3k_displayObj(id,show) { // nastavi vlastnost display objektu na 'show'
	obj = y3k_getObj(id);
	obj.style.display = show;
}

function y3k_isDisplayedObj(id) {
	obj = y3k_getObj(id);
	return (obj.style.display == 'block') || (obj.style.display == 'inline');
}

function y3k_close(id) {
	y3k_getObj(id).style.display = 'none';
}

function y3k_swSMnu(objId) {
	obj=y3k_getObj(objId);
	if (!y3k_isDisplayedObj(obj)) {
		y3k_displayObj(obj, 'block');
	} else y3k_displayObj(obj, 'none');
	return false;
}

function y3k_init(close_id) {
	y3k_close(close_id);
	initOK = true;
}

function y3k_linkOnclickHandler() {
	if (DOM) {
		window.open(this.href);
		return false;
	} else return true;
}

function y3k_initExternLinks() {
	if (DOM) {
		box=y3k_getObj('data');
		linkArray=box.getElementsByTagName("a");
		for (i=0; i<linkArray.length; i++) {
			if (linkArray[i].outerHTML) {
				s = linkArray[i].outerHTML;
				s = s.substring(s.indexOf('href')+4); // najdu href
				while ((s.charAt(0)==' ')||(s.charAt(0)=='\n')||(s.charAt(0)=='\t')) {
					s = s.substring(1); // zbastim bile znaky za :href"
				}
				s = s.substring(1); // zbastim "="
				while ((s.charAt(0)==' ')||(s.charAt(0)=='\n')||(s.charAt(0)=='\t')) {
					s = s.substring(1); //zbastim bilez naky za "="
				}
				separator = s.charAt(0); // nactu separator ("'" nebo """)
				s = s.substring(1); // zbastim separator
				s = s.substring(0, s.indexOf(separator));
				linkURL = s; // nactu si URL
				
				if (linkURL.substr(0,7)=='http://') {
					linkArray[i].onclick=y3k_linkOnclickHandler;
				}
				
			} else {
				if (linkArray[i].getAttribute('href').substr(0,7)=='http://')	{ 
					linkArray[i].onclick=y3k_linkOnclickHandler;
				}
			}
		}
	}
}

function y3k_init() {
	y3k_initExternLinks();
}

var DOM = (document.getElementById);

if (DOM) {
	document.write('<link rel="stylesheet" media="screen" type="text/css" href="../../css/JSscreen01.php" />');
};