Create Folder Using Sharepoint Web service and javascript

if (window.XMLHttpRequest)
    	{
	    	
	
	        var ListName="Album";
	            
	        var UpdateItemXml = "" 
								+ "" 	
								+ "1" 	 
								+ ""+ Name+"" 
								+""+Name+""
								+ "" 
								+ "";
	
	        if(a == null) return false;
	        
	        a.open("POST",http://Serve:110/test/_layouts/_vti_bin/lists.asmx", false);   
	
	        a.setRequestHeader("Content-Type", "text/xml; charset=utf-8");   
	
	        a.setRequestHeader("SOAPAction", "http://schemas.microsoft.com/sharepoint/soap/UpdateListItems"); 
	
	     	var strSOAP1 = "" 
							+ "" 
							+ "" 
							+ "" 	
							+ "" + ListName + "" 	
							+ ""+ UpdateItemXml + "" 
							+ ""
							+ ""
							+ "";
	        a.send(strSOAP1);  
	        
}