function show_content()
{
    str="index.php?show=1&searchtype=1&txtsearch="+document.filter_form.txtsearch.value;
    parent.location.href=str;
}

function show_item()
{
    str="index.php?show=5&searchtype=1&txtsearch="+document.filter_form.txtsearch.value;
    parent.location.href=str;
}

function show_news()
{
    str="index.php?show=2&searchtype=1&txtsearch="+document.filter_form.txtsearch.value;
    parent.location.href=str;
}


function refresh_contentsearch()
{
    str="index.php?show=20&h1="+document.content_searchextended.content_themengruppe1.value 
        +"&h2="+document.content_searchextended.content_themengruppe2.value 
        +"&h3="+document.content_searchextended.content_themengruppe3.value;
    self.location.href=str;
}


function show_ext_content()
{
    str="index.php?show=1&h1="+document.content_searchextended.content_themengruppe1.value 
        +"&h2="+document.content_searchextended.content_themengruppe2.value 
        +"&h3="+document.content_searchextended.content_themengruppe3.value
        +"&searchtype=2&txtsearch="+document.content_searchextended.txtsearch.value;
    parent.location.href=str;
}

function show_ext_news()
{
    str="index.php?show=2&h1="+document.news_searchextended.content_themengruppe1.value 
            +"&searchtype=2&txtsearch="+document.news_searchextended.txtsearch.value
            +"&start_date="+document.news_searchextended.cal_start_date.value 
            +"&end_date="+document.news_searchextended.cal_end_date.value;
    parent.location.href=str;
}