function newXmlHttp(){

	var xmlhttp		= false;
    var contentType = "application/x-www-form-urlencoded; charset=tis-620";
	
	try{
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	}catch(e){
		try{
			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		}catch(e){
			xmlhttp = false;
		}
	}

	if(!xmlhttp && document.createElement){
		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;

}

function display(sID) {
	oObj = document.getElementById(sID);
	if (oObj) {
		oObj.style.display='inline';
	}
}

function hide(sID) {
	oObj = document.getElementById(sID);
	if (oObj) {
		oObj.style.display='none';
	}
}