function loadJS()
{
head=document.getElementsByTagName('head')[0];
script=document.createElement('script');
script.src='test.js';
script.type='text/javascript';
script.defer=true;
head.appendChild(script);
}
{
head=document.getElementsByTagName('head')[0];
script=document.createElement('script');
script.src='test.js';
script.type='text/javascript';
script.defer=true;
head.appendChild(script);
}