/**
 * @author JunLisondra
 */

function getThumb(target){
	exists = false;
	do {
		 $.ajax({
			   type: "POST",
			   url: "thumbshow.php",
			   data: "action=thumb",
			   success: function(img){				  			   	
			   		ret = img.split("^");
					exists = $("img#"+ret[1]).length>0?true:false;
					if (!exists) {					
						$(target).hide();
						$(target).html("<img id='" + ret[1] + "' src='" + ret[0] + "' title='"+ret[2]+"' border=0/>");
						$(target).fadeIn(2000);
					}			  	
			   }
		 });	 
	} while(exists);	 
}

function randomThumb(last){
	do {
		var x = Math.floor(Math.random() * 6) + 1;
		var y = Math.floor(Math.random() * 7) + 1;
		target = "#th_" + x + y;		
	} while($(target).length==0 || target==last);
	getThumb(target);
	var t = setTimeout("randomThumb(target)", 4000);	
}

$(document).ready(function(){
	var t=setTimeout("randomThumb('')",5000);
});