function handleSel(param, tagName){
    if (document.getElementById(tagName).setSelectionRange) {
        el = document.getElementById(tagName);
        el.value = el.value.substring(0,el.selectionStart) + '['+ param +']'+ el.value.substring(el.selectionStart,el.selectionEnd) + '[/'+ param +']' + el.value.substring(el.selectionEnd,el.value.length);

    } else if(document.selection.type == 'Text'){
        var TR = document.selection.createRange();
        TR.text = '[' + param +']'+ TR.text + '[/' + param + ']';
        document.selection.createRange().select();
    }
}

function onDelete(url){
    if (confirm('Вы уверены, что хотите удалить?')){
        document.location = url;
    }
}

function onWindowOpen(url,width,height){
    window.open( url,'','left='+(screen.availWidth/2-width/2)+',top='+(screen.availHeight/2-height/2)+',width='+width+',height='+height+',scrollbars=1');
}