/*
 * Url 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.screenshotPreview = function(){	
	/* CONFIG */
		
		xOffset = -25;
		yOffset = -50;
		
		// these 2 variable determine popup's distance from the cursor
		// you might want to adjust to get the right result
		
	/* END CONFIG */
	$("a.screenshot").hover(function(e){
		this.t = this.title;
		this.title = "";	
		var c = (this.t != "") ? "<br/>" + this.t : "";
		$("body").append("<p id='screenshot'><img src='"+ this.rel +"' alt='url preview' />"+ c +"</p>");								 
		$("#screenshot")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px")
			.fadeIn("fast");						
    },
	function(){
		this.title = this.t;	
		$("#screenshot").remove();
    });	
	$("a.screenshot").mousemove(function(e){
		$("#screenshot")
			.css("top",(e.pageY - xOffset) + "px")
			.css("left",(e.pageX + yOffset) + "px");
	});			
};


// starting the script on page load
$(document).ready(function(){
	screenshotPreview();
});


function http_request() {
    try {
        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
        try {
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (E) {
            xmlhttp = false;
        }
    }
    if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
        xmlhttp = new XMLHttpRequest();
    }
    return xmlhttp
}

function peticion_http_get(capa_destino,id){
	_objetus=http_request()
    	elemento_destino=document.getElementById(capa_destino); //id resultado
	    _URL_="down_theme.php?id="+ id;
	    _objetus.open("GET",_URL_,true);
	    _objetus.onreadystatechange=function() {
	        if (_objetus.readyState==1)
	        {
	           
	           		document.getElementById(capa_destino).innerHTML="<img src=images/ajaxload.gif border=0><br>Cargando...";
	           	
	           
	        }
	        else if(_objetus.readyState==4)
	        {
	            if(_objetus.status==200)
	            {
	                elemento_destino.innerHTML = _objetus.responseText;
	            }
	            else
	            {
	                elemento_destino.innerHTML = "Error: "._objetus.status;
	            }
	        }
	    }
	    _objetus.send(null);
	    return
}
