New Post: Sample Code for SiteDataGetWeb

$().SPServices({
     operation: "SiteDataGetWeb",
     async:false,	
     webURL: "/MySiteRelativeWebUrl",
     completefunc: function (xData, Status){
         //To show full return, create a div with the id of xmlMe
         //$("#xmlMe").text(xData.responseXML.xml);	
         if(Status="Success"){
    	var myWebId = $(xData.responseXML).find("WebID").text();    				
    	//returns full GUID with brackets which can then be used with 'GetListItems'    				
        }
        else{
	alert("Status of web service call is " + Status + ". Please try a different site relative webURL." 				
        }				
    } //End complete function
});//end Services call