点击Ctrl+Enter提交

<script type="text/javascript">
var isIE = navigator.userAgent.indexOf("MSIE")>0;
/**
* @deprecated onkeydown function
* @param{obj} object
*
*/
function KeyDown(obj)
{
obj.onkeydown = function(e)
{
    if(isIE) // window.eventIE
    {
    if(event.ctrlKey && getkeyCode(event) == 13)
    {
    var obj = document.getElementById("textareaid");
    document.form1.submit.click();
    }
    }
    else
    {
    if(e.ctrlKey && getkeyCode(e) == 13)
    {

     var obj = document.getElementById("textareaid");

     document.form1.submit.click();

    }
    }
}
}

/**
* @deprecated getkeyCode
* @param{e} event
* @return keynum
*
*/
function getkeyCode(e)
{
var keynum = "";
if(isIE) // window.event IE
{
    keynum = e.keyCode;
}
else // Netscape/Firefox/Opera
{
    keynum = e.which;
}
return keynum;
}
</script>