求助一个JS的传递值的问题~!!

function GetClassPurview()
{
document.form1.ClassInputer_Article.value="";
document.form1.ClassChecker_Article.value="";
document.form1.ClassMaster_Article.value="";
if(document.form1.Purview_Article[2].checked==true){
for(var i=0;i<frmArticle.document.myform.Purview_Add.length;i++){
if (frmArticle.document.myform.Purview_Add.checked==true){
if (document.form1.ClassInputer_Article.value=="")
document.form1.ClassInputer_Article.value=frmArticle.document.myform.Purview_Add.value;
else
document.form1.ClassInputer_Article.value+=","+frmArticle.document.myform.Purview_Add.value;
}
}
for(var i=0;i<frmArticle.document.myform.Purview_Check.length;i++){
if (frmArticle.document.myform.Purview_Check.checked==true){
if (document.form1.ClassChecker_Article.value=="")
document.form1.ClassChecker_Article.value=frmArticle.document.myform.Purview_Check.value;
else
document.form1.ClassChecker_Article.value+=","+frmArticle.document.myform.Purview_Check.value;
}
}
for(var i=0;i<frmArticle.document.myform.Purview_Manage.length;i++){
if (frmArticle.document.myform.Purview_Manage.checked==true){
if (document.form1.ClassMaster_Article.value=="")
document.form1.ClassMaster_Article.value=frmArticle.document.myform.Purview_Manage.value;
else
document.form1.ClassMaster_Article.value+=","+frmArticle.document.myform.Purview_Manage.value;
}
}
}
document.form1.ClassInputer_Soft.value="";
document.form1.ClassChecker_Soft.value="";
document.form1.ClassMaster_Soft.value="";
if(document.form1.Purview_Soft[2].checked==true){
for(var i=0;i<frmSoft.document.myform.Purview_Add.length;i++){
if (frmSoft.document.myform.Purview_Add.checked==true){
if (document.form1.ClassInputer_Soft.value=="")
document.form1.ClassInputer_Soft.value=frmSoft.document.myform.Purview_Add.value;
else
document.form1.ClassInputer_Soft.value+=","+frmSoft.document.myform.Purview_Add.value;
}
}
for(var i=0;i<frmSoft.document.myform.Purview_Check.length;i++){
if (frmSoft.document.myform.Purview_Check.checked==true){
if (document.form1.ClassChecker_Soft.value=="")
document.form1.ClassChecker_Soft.value=frmSoft.document.myform.Purview_Check.value;
else
document.form1.ClassChecker_Soft.value+=","+frmSoft.document.myform.Purview_Check.value;
}
}
for(var i=0;i<frmSoft.document.myform.Purview_Manage.length;i++){
if (frmSoft.document.myform.Purview_Manage.checked==true){
if (document.form1.ClassMaster_Soft.value=="")
document.form1.ClassMaster_Soft.value=frmSoft.document.myform.Purview_Manage.value;
else
document.form1.ClassMaster_Soft.value+=","+frmSoft.document.myform.Purview_Manage.value;
}
}
}
document.form1.ClassInputer_Photo.value="";
document.form1.ClassChecker_Photo.value="";
document.form1.ClassMaster_Photo.value="";
if(document.form1.Purview_Photo[2].checked==true){
for(var i=0;i<frmPhoto.document.myform.Purview_Add.length;i++){
if (frmPhoto.document.myform.Purview_Add.checked==true){
if (document.form1.ClassInputer_Photo.value=="")
document.form1.ClassInputer_Photo.value=frmPhoto.document.myform.Purview_Add.value;
else
document.form1.ClassInputer_Photo.value+=","+frmPhoto.document.myform.Purview_Add.value;
}
}
for(var i=0;i<frmPhoto.document.myform.Purview_Check.length;i++){
if (frmPhoto.document.myform.Purview_Check.checked==true){
if (document.form1.ClassChecker_Photo.value=="")
document.form1.ClassChecker_Photo.value=frmPhoto.document.myform.Purview_Check.value;
else
document.form1.ClassChecker_Photo.value+=","+frmPhoto.document.myform.Purview_Check.value;
}
}
for(var i=0;i<frmPhoto.document.myform.Purview_Manage.length;i++){
if (frmPhoto.document.myform.Purview_Manage.checked==true){
if (document.form1.ClassMaster_Photo.value=="")
document.form1.ClassMaster_Photo.value=frmPhoto.document.myform.Purview_Manage.value;
else
document.form1.ClassMaster_Photo.value+=","+frmPhoto.document.myform.Purview_Manage.value;
}
}
}
}