var last_event_id = 0;
function createRequestObject()
{
var ObjXMLHttp=null;
if (window.XMLHttpRequest)
ObjXMLHttp=new XMLHttpRequest();
else if (window.ActiveXObject)
ObjXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
return ObjXMLHttp;
}
function more_info(id,pos) {
	/*if(last_event_id != 0 && last_event_id != id) {
	hide_event(last_event_id);
	}
	last_event_id = id;*/
	var mouseY = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop;

	var standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
	var docheightcomplete=(standardbody.offsetHeight>standardbody.scrollHeight)? standardbody.offsetHeight : standardbody.scrollHeight
	var docwidthcomplete=(standardbody.offsetWidth>standardbody.scrollWidth)? standardbody.offsetWidth : standardbody.scrollWidth
	document.getElementById("lightbox").style.height = docheightcomplete+"px";
	document.getElementById("lightbox").style.width = docwidthcomplete + 'px';

	var event_id = "event_block";
	mouseY = mouseY < 150 ?150:mouseY;

	event_left = (770/2)-(520/2);
	document.getElementById(event_id).style.top = mouseY+80+"px";
	document.getElementById(event_id).style.left = event_left+"px";

	document.getElementById(event_id).style.display = '';
	if (navigator.appName != "Microsoft Internet Explorer")
	document.getElementById("lightbox").style.display = '';

	var url='event_details.php?id='+id+'&pos='+pos;
	http = createRequestObject();
	http.onreadystatechange=getEventDetails;
	http.open("GET",url);
	http.send(null);

}
function next_prev(pos)	{

	/* var mouseY = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop;

	var standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
	var docheightcomplete=(standardbody.offsetHeight>standardbody.scrollHeight)? standardbody.offsetHeight : standardbody.scrollHeight
	var docwidthcomplete=(standardbody.offsetWidth>standardbody.scrollWidth)? standardbody.offsetWidth : standardbody.scrollWidth

	document.getElementById("lightbox").style.height = docheightcomplete+"px";
	document.getElementById("lightbox").style.width = docwidthcomplete + 'px';

	var event_id = "event_block";
	mouseY = mouseY < 150 ?150:mouseY;

	event_left = (docwidthcomplete/2)-(520/2)-200;
	document.getElementById(event_id).style.top = mouseY+100+"px";
	document.getElementById(event_id).style.left = event_left+"px";

	document.getElementById(event_id).style.display = '';
	if (navigator.appName != "Microsoft Internet Explorer")
	document.getElementById("lightbox").style.display = '';   */

	var url='event_details.php?pos='+pos+'&view_type=position';
	http = createRequestObject();
	http.onreadystatechange=getEventDetails;
	http.open("GET",url);
	http.send(null);
}
function getEventDetails()	{
	if(http.readyState===4){
		var r=http.responseText;
		document.getElementById("event_loading").style.display = 'none';
		document.getElementById("event_content").style.display = '';
		document.getElementById("event_content").innerHTML = r;
	}
	else {
		document.getElementById("event_content").style.display = 'none';
		document.getElementById("event_loading").style.display = '';
	}

}
function hide_event(id) {
	var event_id = "event_block";
	document.getElementById("lightbox").style.display = 'none';
	document.getElementById(event_id).style.display = 'none';
}