//ajax file
var div_id;

function loadXMLDoc(url,value,value1,value2,value3,value4)
{
    req = null;
	iec = null;
	iec = Math.ceil( Math.random() * 100000 );
	if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
        req.onreadystatechange = processReqChange;
        req.open("GET", url+'?v1='+value+'&v2='+value1+'&v3='+value2+'&v4='+value3+'&v5='+value4+'&pc='+iec, true);
        req.send(null);

    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = processReqChange;
            req.open("GET", url+'?v1='+value+'&v2='+value1+'&v3='+value2+'&v4='+value3+'&v5='+value4+'&pc='+iec, true);
            req.send();
        }
    }
}

function processReqChange(){
	if (req.readyState < 4){
		
			document.getElementById(div_id).style.filter = 'alpha(opacity=35)';
			document.getElementById(div_id).style.opacity = '0.5';
			document.getElementById(div_id).style.background = 'url(img/loading.gif) center center no-repeat';
			
    } else if (req.readyState == 4) {
        if (req.status == 200) {
            document.getElementById(div_id).innerHTML = req.responseText;
			document.getElementById(div_id).style.background = '';
			document.getElementById(div_id).style.filter = '';
			document.getElementById(div_id).style.opacity = '';
        } 
    }
}

//send contact infos
function snd_contact(value,value1,value2,value3,value4){
	div_id = 'cnt';
	//alert(value+','+value1+','+value2+','+value3+','+value4);
	loadXMLDoc('send_cnt.php',value,value1,value2,value3,value4);
}

//send rsvp infos
function snd_rsvp(value,value1,value2,value3,value4){
	div_id = 'cnt';
	loadXMLDoc('send_rsvp.php',value,value1,value2,value3,value4);
}

//show list of images on gallery
function show_list(value,value1,value2,value3){
	div_id = 'lista';
	loadXMLDoc('fotos/list.php',value,value1,value2,value3);
	return change_img(value,value1,value2,value3);
}

//show list of images on gallery
function show_list_ci(value,value1,value2,value3){
	div_id = 'lista';
	loadXMLDoc('fotos/list.php',value,value1,value2,value3);
}