function getDisplayInfo(){
	if(window.XMLHttpRequest) {
		var xmlhttp = new XMLHttpRequest();
	}else if(window.ActiveXObject) {
		var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	xmlhttp.open('GET', 'display.dat?sqid='+Number(new Date), true);
	xmlhttp.onreadystatechange = function(){ receiveData(xmlhttp); };
	xmlhttp.send(null);
}
function receiveData(xmlhttp){
	if(xmlhttp.readyState == 4){
		eval("var response = ("+xmlhttp.responseText+")");
		drawElement(response.display, response.content);
	}
}
function drawElement(display, content){
	if(display == 1){
		var target = document.getElementById('target');
		target.innerHTML = content;
	}
}
getDisplayInfo();