var isIE = (document.attachEvent)? true : false;
function aC(color){	
   var color = (color)? color : "";	
   add("<font color=", "</font>", color);
}
function add(open, end){	
var tArea = document.mm.Cont;
var sct = tArea.scrollTop;	
var open = (open)? open : "";	
var end = (end)? end : "";	
var sl;	if(isIE){		
    tArea.focus();		
    var curSelect = document.selection.createRange();		
    if(arguments[2]){			
       curSelect.text = open + arguments[2] + ">" + curSelect.text + end;		
    } 
    else {			
       curSelect.text = open + curSelect.text + end;		
    }	
} else if(!isIE && typeof tArea.selectionStart != "undefined"){		
    var selStart = tArea.value.substr(0, tArea.selectionStart);		
    var selEnd = tArea.value.substr(tArea.selectionEnd, tArea.value.length);		
    var curSelection = tArea.value.replace(selStart, "").replace(selEnd, "");		
    if(arguments[2]){			
      sl = selStart + open + arguments[2] + ">" + curSelection + end;			
      tArea.value = sl + selEnd;		
    } else {			
      sl = selStart + open + curSelection + end;			
      tArea.value = sl + selEnd;		
    }		
    tArea.setSelectionRange(sl.length, sl.length);		
    tArea.focus();		tArea.scrollTop = sct;	
    } else {		
      tArea.value += (arguments[2])? open + arguments[2] + ">" + end : open + end;	
    }
}