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

function start()
{
	createXmlHttpRequest();
	xmlHttp.onreadystatechange = callBack;
	xmlHttp.open("GET","safety.asp",true);
	xmlHttp.send(null);
}

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