function switchSearch ( menu ) {
	if ( menu == "adv" && $('vyhledavani') ) {
		trs = $('vyhledavani').getElements("tr.adv_search");
		for ( i = 0; i < trs.length; i++ ) {
			if ( Browser.Engine.trident ) {
				trs[i].setStyle("display", "block");
			} else {
				trs[i].setStyle("display", "table-row");
			}
			inpt = trs[i].getElements("input");
			if ( inpt.length > 0 ) {
				for ( j = 0; j < inpt.length; j++ ) {
					inpt[j].removeProperty("disabled");
				}
			}
			sel = trs[i].getElements("select");
			if ( sel.length > 0 ) {
				for ( j = 0; j < sel.length; j++ ) {
					sel[j].removeProperty("disabled");
				}
			}
		}
		$('adv_search_switch').setStyle("display", "none");
		$('easy_search_switch').setStyle("display", "block");
		$('vyhledavani').setProperty("id", "vyhledavani2");
	} else if ( menu == "easy" && $('vyhledavani2') ) {
		trs = $('vyhledavani2').getElements("tr.adv_search");
		for ( i = 0; i < trs.length; i++ ) {
			trs[i].setStyle("display", "none");
			inpt = trs[i].getElements("input");
			if ( inpt.length > 0 ) {
				for ( j = 0; j < inpt.length; j++ ) {
					inpt.setProperty("disabled", "disabled");
				}
			}
			sel = trs[i].getElements("select");
			if ( sel.length > 0 ) {
				for ( j = 0; j < sel.length; j++ ) {
					sel.setProperty("disabled", "disabled");
				}
			}
		}
		$('adv_search_switch').setStyle("display", "block");
		$('easy_search_switch').setStyle("display", "none");
		$('vyhledavani2').setProperty("id", "vyhledavani");
	}
	return false;
}