function clin_class(public_class_name)
{
if(public_class_name)
{
var class_name_list=public_class_name.split(",");
for(i=0;i<class_name_list.length;i++)
{
eval("this.my_class_name="+class_name_list[i]);
if(this.my_class_name)
{
this.my_class_name();
delete this.my_class_name;
}
}
}
}