function vlozitznacku(obj,val)
{
var o = obj;
o.focus();
if (document.selection)
{
sel = document.selection.createRange();
sel.text = val;
}
else if (o.selectionStart || o.selectionStart == '0')
{
var startPos = o.selectionStart;
var endPos = o.selectionEnd;
o.value = o.value.substring(0,startPos) + val + o.value.substring(endPos, o.value.length);
	setCursorPos (document.formular.text, startPos,startPos);
}
else
{
o.value += val;
	setCursorPos (document.formular.text, startPos,startPos);
}
}