function odradkovani()
    {
        document.diskuse.text.value = document.diskuse.text.value + "<br/>";
        document.diskuse.text.focus();
    }
function edit(tag)
    {
        var SelectedString = document.selection.createRange().text;
        if (SelectedString.length>0)
        {
            var ReplaceString = "<"+tag+">" + SelectedString + "</"+tag+">";
            document.selection.createRange().text = ReplaceString;
        }
        else
        {
            alert('Vyber nějaký text k editaci !!!')
        }
    }
function editBarva(barva)
    {
        var SelectedString = document.selection.createRange().text;
        if (SelectedString.length>0)
        {
            var ReplaceString = "<span style=\"color:" + barva + "\">" + SelectedString + "<\/span>";
            document.selection.createRange().text = ReplaceString;
        }
        else
        {
            alert('Vyber nějaký text k editaci !!!')
        }
    }

function disableAllButtons(){
    var aForms = document.forms;
    var nForms = aForms.length;
    var i=0;
    for (i=0; i<nForms; i++) {
        var aElems = aForms[i].elements;
        var nElems = aElems.length;
        var j=0;
        for (j=0; j<nElems; j++) {
            if (aElems[j].type == "button" || aElems[j].type == "submit") {
                aElems[j].disabled = true;
            }
        }
    }
}