http://www.javascriptkit.com/javatutors/loadjavascriptcss.shtml
http://crm.vdsnickt.eu/ms-crm-javascript-intellisense-generator/
http://social.microsoft.com/Forums/en-US/crmdevelopment/thread/fdc0dd32-48e2-4cb9-aa7c-1147d6249a17
var JScriptWebResourceUrl="../WebResources/new_commonfunctions.js";
var xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
xmlHttp.open("GET",url, false);
xmlHttp.send();
eval(xmlHttp.responseText);
//Call here function from the common function library