//只能提交一次表单
function submitonce(theform){
//if IE 4+ or NS 6+
if (document.all||document.getElementById){
//screen thru every element in the form, and hunt down "submit" and "reset"
for (i=0;i<theform.length;i++){
var tempobj=theform.elements[i]
if(tempobj.type.toLowerCase()=="submit"||tempobj.type.toLowerCase()=="reset")
//disable em
tempobj.disabled=true
}
}
}



// [使用Ctrl+Enter直接发送]
ie = (document.all)? true:false
if (ie){
function ctlent(eventobject){
if(event.ctrlKey && window.event.keyCode==13){
this.document.frmWrite.submit();
///////
//添加
///////
}
}
}