document.onkeydown = function(e){
e = window.event || e;
var keycode = e.keyCode || e.which;
if(e.ctrlKey && keycode == 83 ){
if(window.event){// ie
try{
e.keyCode = 0;
}catch(e){}
e.returnValue = false;
console.log(1)
}else{// ff
e.preventDefault();
console.log(1)
}
}
}
