function zobrazPodkategorie(kategoria_id){
    var id1 = '#podkategorie_' + kategoria_id;
    var id2 = '#kategoria_' + kategoria_id;
    $(id1).slideToggle();
    var trieda = $(id2).attr("class");
    if (trieda == 'rozbal') {
        $(id2).removeClass();
        $(id2).addClass("zbal");
    }
    else {
        $(id2).removeClass();
        $(id2).addClass("rozbal");
    }
}

function zobrazPodpodkategorie(kategoria_id){
    var id1 = '#podpodkategorie_' + kategoria_id;
    var id2 = '#podkategoria_' + kategoria_id;
    $(id1).slideToggle();
    var trieda = $(id2).attr("class");
    if (trieda == 'rozbal2') {
        $(id2).removeClass();
        $(id2).addClass("zbal2");
    }
    else {
        $(id2).removeClass();
        $(id2).addClass("rozbal2");
    }
}

function presmeruj(adresa){
    alert(adresa);
}

/*
 * Image preview script 
 * powered by jQuery (http://www.jquery.com)
 * 
 * written by Alen Grakalic (http://cssglobe.com)
 * 
 * for more info visit http://cssglobe.com/post/1695/easiest-tooltip-and-image-preview-using-jquery
 *
 */
 
this.imagePreview = function(){	
	/* CONFIG */
		
		xOffset = 190;
		yOffset = 30;
		
		// these 2 variable determine popup's distance from the cursor
		// you might want to adjust to get the right result
		
	/* END CONFIG */
	$("a.preview").hover(function(e){
		this.t = this.title;
		this.title = "";	
		var c = (this.t != "") ? "<br/>" + this.t : "";
		$("body").append("<p id='preview'><img src='"+ this.href +"' alt='Image preview' />"+ c +"</p>");								 
		$("#preview")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");						
    },
	function(){
		this.title = this.t;	
		$("#preview").remove();
    });	
	$("a.preview").mousemove(function(e){
		$("#preview")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});			
};


// starting the script on page load
$(document).ready(function(){
	imagePreview();
});