?function ctrlKeyEsc(evt) {
	evt = (evt) ? evt : ((window.event) ? event : null);
	if (evt) {
		if (evt.ctrlKey && evt.keyCode=="78") {
 			return false;
 		} else {}
 	}
}

function ocChat_onEnter(e){
  try{
    	var ie =navigator.appName=="Microsoft Internet Explorer" ? true:false;
	e = (e) ? e : ((window.event) ? event : null);
    	if(ie){
       		if(event.ctrlKey && event.keyCode==78){
			return false;
		}else if(event.ctrlKey && event.keyCode==73){
			return false;
		}else if(event.keyCode==13 || (event.ctrlKey && event.keyCode==13)){
			ocChat_insertMsg("ocChat_showMsgTable","msg","ocChat_alert");
			ocChat_sendMsg("ocChat_SendUser","ocChat_ReciveUser","hidemsg");
			return false;
		}
    	}else{	//for firefox
        	if(isKeyTrigger(e,13,true) || e.keyCode==13){
			ocChat_insertMsg("ocChat_showMsgTable","msg","ocChat_alert");
			ocChat_sendMsg("ocChat_SendUser","ocChat_ReciveUser","hidemsg");
			return false;
		}else if(isKeyTrigger(e,78,true)){
			return false;
		}else if(isKeyTrigger(e,73,true)){
			return false;
		}
    	}
  }catch(exception){}
}