var Id = 0;
var element = "";

var xmlHttp;
function createXMLHttpRequest() {
	if (window.ActiveXObject) {
		xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if (window.XMLHttpRequest) {
		xmlHttp = new XMLHttpRequest();
	}
}

function pdf_display() {

	createXMLHttpRequest();	
	var url = "/pdf_info09.php";
	xmlHttp.open("GET", url, true);
	xmlHttp.onreadystatechange = callback1;
	xmlHttp.send(null);
	
}

function pdf_catalogue() {

	createXMLHttpRequest();	
	var url = "/pdf_catalogue10.php";
	xmlHttp.open("GET", url, true);
	xmlHttp.onreadystatechange = callback1;
	xmlHttp.send(null);
	
}

function pdf_info(Id) {

	element = Id;
	document.getElementById('pdf' + element).style.display='block';
	document.getElementById('pdf' + element).innerHTML = "<div align=center><img src='/images/loading.gif' width=32 height=32 border=0 alt='loading...' style='margin:10px;'></div>";
	createXMLHttpRequest();	
	var url = "/pdf_doc09.php";
	xmlHttp.open("GET", url, true);
	xmlHttp.onreadystatechange = callback2;
	xmlHttp.send(null);
	
}

function pdf_close() {

	document.getElementById("pdfinfo").innerHTML = "";
	
}

function callback1() {
	if (xmlHttp.readyState == 4) {
		if (xmlHttp.status == 200) {
			document.getElementById("pdfinfo").innerHTML = xmlHttp.responseText;
		}
	}
}

function callback2() {
	if (xmlHttp.readyState == 4) {
		if (xmlHttp.status == 200) {
			document.getElementById('pdf' + element).innerHTML = xmlHttp.responseText;
		}
	}
}