function createRequest() {
	
	try {
		
		request = new XMLHttpRequest();
		
	} catch(tryMS) {
		
		try {
			
			request = new ActiveXObject("Msxml2.XMLHTTP");
			
		} catch(otherMS) {
			
			try {
				
				request = new ActiveXObject("Microsoft.XMLHTTP");
				
			} catch(failed) {
				
				request = null;
				
			}
			
		}
		
	}
	
	return request;
	
}