// JavaScript Document
function copySelection(){
  
  var elm = document.getElementById('comment_area');
  var text = null;
        w = window;
        if (w.document.getSelection) {
                text = (w.document.getSelection());
  } else if (w.getSelection) {
                text = (w.getSelection());
        } else if (w.document.selection) {
                var selection = w.document.selection;
                text = selection.createRange().text;
        } else {
                return false;
        }
		if (text != '')	{	
			elm.value=elm.value+'[quote]'+text+'[/quote]';
		}
		else {
			alert('Вы не выделили текст');
		}
}

function myfunc(event){
 if(event.keyCode==13){alert('s7');}//если нажат enter.....

};