function onmousedown_search()
{
    //alert("hello");
    str = document.getElementById("s_word").value;
    if (str != '')
    {
    document.getElementById("s_link").href ='search_res.php?key='+str; 
    }
}

function onClick_small_image(str)
{
	document.getElementById('show_im').innerHTML = "<img src='images/diploms/big/"+str+"'>";
}
function onClick_big_image()
{
	document.getElementById('show_im').innerHTML = "";
}