//var preview_pageload = "http://" + window.location.hostname + "/chapo.php?dep_id=";

function showPreviewPage(page, preview_div){

	var page_request = false;
	
	if (window.XMLHttpRequest) {// if Mozilla, Safari etc
		page_request = new XMLHttpRequest();
		//alert("is firefox or safari");

	} else if (window.ActiveXObject) { // if IE
		try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP");
		} 
		catch (e){
			try{
				page_request = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e){}
		}
		//alert("is IE");

	} else {
		//alert("i don't know your browser");
		return false;
	}
	page_request.onreadystatechange=function(){
		loadpage(page_request, preview_div);
	}
	
	page_request.open('GET', page, true);
	//alert("url="+url);
	page_request.send(null);
}

function loadpage(page_request, preview_div){
	//alert(preview_div);
	//|| window.location.href.indexOf("http")==-1)
	//&& (page_request.status==200 
		  //readyState=="complete"
	if (page_request.readyState == 4 ) {
		document.getElementById(preview_div).innerHTML = page_request.responseText;
		document.getElementById(preview_div).style.display='block';
		//alert("page loaded" );
	}
}

function openRegion(lat, long, zoom) {
	map.setCenter(new GLatLng(lat,long),zoom);
}