var search_mode_simple=1;

function full_search(state)
{
    e=document.getElementById('search_empty');
    f=document.getElementById('search_full');
    g=document.getElementById('search_form');
    if(state) {
	e.style.visibility="hidden";
	f.style.visibility="visible";
	for(i=0;i<4;i++) if(g.search_mode[i].checked) search_mode_simple=i;
	g.search_mode[0].checked=true;
    } else {
	e.style.visibility="visible";
	f.style.visibility="hidden";
	g.search_mode[search_mode_simple].checked=true;
    }
    if(g.search_mode[search_mode_simple].value=='text') {
	if(state) {
	    g.keywords.value=g.search_text.value;
	} else {
	    g.search_text.value=g.keywords.value;
	}
    } else if(g.search_mode[search_mode_simple].value=='tags') {
	if(state) {
	    g.tags.value=g.search_text.value;
	} else {
	    g.search_text.value=g.tags.value;
	}
    } else if(g.search_mode[search_mode_simple].value=='author') {
	if(state) {
	    g.author_name.value=g.search_text.value;
	} else {
	    g.search_text.value=g.author_name.value;
	}
    }
    return(false);
}