Array textbox validation JS

<br /> <br />for(var i=0;i<document.victim.victimtelephone_1.length;i++) <br />{ <br />if(document.victim.victimtelephone_1[i].value==''){ <br />alert("Victim Telephone is not be empty");document.victim.victimtelephone_1[i].focus(); return false; <br />} <br />} <br /> <br /> <br />for(var i=0;i<document.victim.prisonname_1.length;i++) <br />{ <br />if(document.victim.prisonname_1[i].value==''){ <br />alert("Prison Name is not be empty");document.victim.prisonname_1[i].focus(); return false; <br />} <br />} <br /> <br /> <br /> <br />for(var i=0;i<document.victim.prisonnumber_1.length;i++) <br />{ <br />if(document.victim.prisonnumber_1[i].value==''){ <br />alert("Prison Number is not be empty");document.victim.prisonnumber_1[i].focus(); return false; <br />} <br />} <br /> <br />======================================PHP <br /> <br /> <br /><input id="prisonname_1" name="prisonname[]" title="Prison Name" value="wqw" type="text"> <br /> <br /> <br /> <br />