function loadOurScript(source)
{
    var head = document.getElementsByTagName("head")[0];
    script=document.createElement('script');
    script.id='formPrinter';
    script.type='text/javascript';
    script.src=source;
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}

var ua = navigator.userAgent.toLowerCase();

if(ua.indexOf("opera") != -1)
{
    loadOurScript("/systems/jquery/jquery1.4.js");
}
else
{
    loadOurScript("/systems/jquery/jquery1.3.2.js");
}