window.onload=function () {if( document.body.scrollHeight <= document.documentElement.clientHeight) { document.getElementsByTagName("body")[0].style.height = document.documentElement.clientHeight+"px"; }; var t = document.getElementsByTagName("INPUT"); for (var i=0; i<t.length; i++) { if (t.type="checkbox") { t[i].onclick=checkall; } } document.getElementById("cc").onclick=checkpass;document.getElementById("submit").onclick=frees; }; function checkall() { for (var i=0; i<line.length; i++) { var s = 0; var t = document.getElementsByName(line[i]); for (var n=0; n<t.length; n++) { if (t[n].checked==true) { s++; } } if (s>=limit[i]) { for (var n=0; n<t.length; n++) { if (t[n].checked==false) { t[n].disabled=true; } } } else { for (var n=0; n<t.length; n++) { t[n].disabled=false; } } } }; function checkpass() { var error = document.getElementById("code"); var value = error.value.replace(/^[\s　]+/,""); var value = value.replace(/[\s　]+$/,""); if (value.length < 30) { error.value = "错误的代码"; error.style.backgroundColor="#FF0000"; return false; } var params = "code="+value; sendRequest("cells","checkpwd.php",params); }function frees (){document.getElementById("code").disabled="";};