jQuery.noConflict();
/**
 * After document loaded
 */
jQuery(document).ready(function() {
   
   jQuery("div.obsah li span")
		.hide();
	
   // set mouse events for div
   jQuery("div.obsah li")
   	.mouseenter(function() {
   		jQuery(this).children("span").show();
   	})
   	.mouseleave(function() {
   		jQuery(this).children("span").hide();
   	})
   	.mousemove(function(e) {
   		var px = e.pageX;
   		var py = e.pageY;
   		
   		jQuery(this).children("span")
   			.css("top",py + 20)
   			.css("left",px + 20);
   	})
   	.css("cursor","pointer");
   	
});