JavaScript看不懂这段代码请高人指点
<script type="text/javascript"><!--
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function YY_checkform() { //v4.65
//copyright (c)1998,2002
//此插件由笨阿猪汉化www.
var args = YY_checkform.arguments; var myDot=true; var myV=''; var myErr='';var addErr=false;var myReq;
for (var i=1; i<args.length;i=i+4){
if (args[i+1].charAt(0)=='#'){myReq=true; args[i+1]=args[i+1].substring(1);}else{myReq=false}
var myObj = MM_findObj(args[i].replace(/\[\d+\]/ig,""));
myV=myObj.value;
if (myObj.type=='text'||myObj.type=='password'||myObj.type=='hidden'){
if (myReq&&myObj.value.length==0){addErr=true}
if ((myV.length>0)&&(args[i+2]==1)){ //fromto
var myMa=args[i+1].split('_');if(isNaN(parseInt(myV))||myV<myMa[0]/1||myV > myMa[1]/1){addErr=true}
} else if ((myV.length>0)&&(args[i+2]==2)){
var rx=new RegExp("^[\\w\.=-]+@[\\w\\.-]+\\.[a-z]{2,4}$");if(!rx.test(myV))addErr=true;
} else if ((myV.length>0)&&(args[i+2]==3)){ // date
var myMa=args[i+1].split("#"); var myAt=myV.match(myMa[0]);
if(myAt){
var myD=(myAt[myMa[1]])?myAt[myMa[1]]:1; var myM=myAt[myMa[2]]-1; var myY=myAt[myMa[3]];
var myDate=new Date(myY,myM,myD);
if(myDate.getFullYear()!=myY||myDate.getDate()!=myD||myDate.getMonth()!=myM){addErr=true};
}else{addErr=true}
} else if ((myV.length>0)&&(args[i+2]==4)){ // time
var myMa=args[i+1].split("#"); var myAt=myV.match(myMa[0]);if(!myAt){addErr=true}
} else if (myV.length>0&&args[i+2]==5){ // check this 2
var myObj1 = MM_findObj(args[i+1].replace(/\[\d+\]/ig,""));
if(myObj1.length)myObj1=myObj1[args[i+1].replace(/(.*\[)|(\].*)/ig,"")];
if(!myObj1.checked){addErr=true}
} else if (myV.length>0&&args[i+2]==6){ // the same
var myObj1 = MM_findObj(args[i+1]);
if(myV!=myObj1.value){addErr=true}
}
} else
if (!myObj.type&&myObj.length>0&&myObj[0].type=='add'){
var myTest = args[i].match(/(.*)\[(\d+)\].*/i);
var myObj1=(myObj.length>1)?myObj[myTest[2]]:myObj;
if (args[i+2]==1&&myObj1&&myObj1.checked&&MM_findObj(args[i+1]).value.length/1==0){addErr=true}
if (args[i+2]==2){
var myDot=false;
for(var j=0;j<myObj.length;j++){myDot=myDot||myObj[j].checked}
if(!myDot){myErr+='* ' +args[i+3]+'\n'}
}
} else if (myObj.type=='checkbox'){
if(args[i+2]==1&&myObj.checked==false){addErr=true}
if(args[i+2]==2&&myObj.checked&&MM_findObj(args[i+1]).value.length/1==0){addErr=true}
} else if (myObj.type=='select-one'||myObj.type=='select-multiple'){
if(args[i+2]==1&&myObj.selectedIndex/1==0){addErr=true}
}else if (myObj.type=='textarea'){
if(myV.length<args[i+1]){addErr=true}
}
if (addErr){myErr+='* '+args[i+3]+'\n'; addErr=false}
}
if (myErr!=''){alert('表单验证有误,详情如下:\t\t\t\t\t\n\n'+myErr)}
document.MM_returnValue = (myErr=='');
}
//-->
</script>
上面这段代码怎么跟下面表单提交里的onclick 代码联系起来的
'mail','#S','2','电子邮件格式错误！'
我想加个判断 内容里如果包含http和www则提示不符合表单要求,请修改
[ 本帖最后由 nanke277 于 2010-6-5 14:33 编辑 ]
