function goto(form) { 
	var index=form.podrubrika.selectedIndex
	location=form.podrubrika.options[index].value;
}
var valid_extensions = /(.jpg|.jpeg)$/i;
//
function CheckExtension(fld)
{
    if (valid_extensions.test(fld.value)) return true;
    alert('Slika mora imati extenziju: jpg, jpeg da bi bila prihvacena.');
	fld.select();
    fld.focus();
	    return false;
}
function Clear(elementId)
{
	document.getElementById(elementId).value = '';	
} 
function ResetValue(elementId, text)
{
	if (document.getElementById(elementId).value.toString() == '')
	{
		document.getElementById(elementId).value = text;
	}
}