var modalbox;
var shade;
var scrollWidth;
var scrollHeight;


// Определение браузера
IE = (document.all); // Internet Explorer?
NC = (document.layers); // Netscape?
Opera = (document.getElementById); // Opera?

function getHeight() { // Получаем высоту рабочей области браузера
	if (IE || Opera) send = document.body.clientHeight;
	if (NC) send = window.innerHeight;
	return send;
}

function getWidth() { // Получаем ширину рабочей области браузера
	if (IE || Opera) send = document.body.clientWidth;
	if (NC) send = window.innerWidth;
	return send;
}

window.onload = function() {

	modalbox = document.getElementById("modalbox");
	shade = document.getElementById("shade");

	scrollWidth = 1184;//getWidth();
	scrollHeight = 1000;//getHeight();

	document.getElementById("main").style.width = scrollWidth;
	document.getElementById("main").style.height = scrollHeight;

}

function ShowModalbox( id ) {

	document.getElementById("main").style.filter = "alpha(opacity=80)";
	document.getElementById("main").style.opacity = 0.8;
	document.getElementById("main").style.display = "block";

	modalbox.style.left = scrollWidth/2 - 360;
	modalbox.style.top = 50;
	modalbox.innerHTML = "<img src='img/load.gif'>";
	modalbox.style.display = "block";
	
	JsHttpRequest.query(	
		'request.php', // backend
            {                
				'id'  : id
            },
            
            function(result, errors) {
				modalbox.innerHTML = errors;
            },
            true  
    );
}


function HideModalbox() {

	document.getElementById("main").style.display = "none";
	modalbox.style.display = "none";

}