function createRequestObject() {
  var ro; var browser = navigator.appName;
  
  if(browser == "Microsoft Internet Explorer") { ro = new ActiveXObject("Microsoft.XMLHTTP"); } else { ro = new XMLHttpRequest(); }
  return ro;
}

var http = createRequestObject();

function replaceSpecialChar(str) {
	str=str.replace("#","**:1:**");
	str=str.replace("&","**:2:**");
	
	return str;
}