Load External javascript MSCRM 2011

HI All,

Please find the below code to call external Javasctipt webresources

(Eg)

I have Update function in "new_JQuery"

but now am working in "new_new_JQuery1" function so if i use below code i can directly access Update function from "new_JQuery"  to "new_new_JQuery1".

var url="../WebResources/new_JQuery";

var xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");

xmlHttp.open("GET",url,false);

xmlHttp.send();

eval(xmlHttp.responseText);