function KeyDown(){
if ((window.event.altKey)&&
((window.event.keyCode==37)|| //屏蔽 Alt+ 方向键 ← (window.event.keyCode==39))){ //屏蔽 Alt+ 方向键 → event.returnValue=false; }
if ((event.keyCode==8) || //屏蔽退格删除键 (event.keyCode==116)|| //屏蔽 F5 刷新键 (event.ctrlKey && event.keyCode==82)){ //Ctrl + R event.keyCode=0;
event.returnValue=false; }
if ((event.ctrlKey)&&(event.keyCode==78)) //屏蔽 Ctrl+n event.returnValue=false;
if ((event.shiftKey)&&(event.keyCode==121)) //屏蔽 shift+F10 event.returnValue=false;
if (window.event.srcElement.tagName == \ window.event.returnValue = false; //屏蔽 shift 加鼠标左键新开一网页 if ((window.event.altKey)&&(window.event.keyCode==115)){ //屏蔽Alt+F4
window.showModelessDialog(\
return false;} }
<%
application.lock
application(\ application.unlock
ygxxsql=\ set ygxxrs=conn.execute(ygxxsql) %>