<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"><html><head><title></title>
<script language="JavaScript" type="text/javascript">
<!--// by Vic Phillips http://www.vicsjavascripts.org.uk// elements in the form are numbered from the top 0 to 
// The select option value specifies the element numbers to disable separated by '^'
function Select(f,s){
el=f.elements;for (i=0;i<el.length;i++){// el[i].style.visibility='visible';el[i].removeAttribute('disabled');
}if (s.selectedIndex<1){ return; }selop=s.options[s.selectedIndex].value.split('^');for (i=0;i<selop.length;i++){if (el[selop[i]]){// el[selop[i]].style.visibility='hidden';el[selop[i]].setAttribute('disabled','disabled');}}}function Radio(f,s){el=f.elements;for (i=0;i<el.length;i++){// el[i].style.visibility='visible';el[i].removeAttribute('disabled');}if (s.selectedIndex<1){ return; }selop=s.value.split('^');for (i=0;i<selop.length;i++){if (el[selop[i]]){// el[selop[i]].style.visibility='hidden';el[selop[i]].setAttribute('disabled','disabled');}}}
//--></script></head><body><form ><select name="" size="1" onchange="Select(this.form,this);"><option value=" ">Select</option><option value="1">Hide TB1</option><option value="1^3">Hide TB1 & 3</option><option value="2^3^4">Hide TB2,3,4</option><option value="">Hide None</option></select><input name="" size="10" value="123"><input name="" size="10" value="234"><input name="" size="10" value="345"><input name="" size="10" value="456"><input type="radio" name="fred" value="1" onclick="Radio(this.form,this);"><input type="radio" name="fred" value="1^3" onclick="Radio(this.form,this);"><input type="radio" name="fred" value="2^3^4" onclick="Radio(this.form,this);"><input type="radio" name="fred" value="" onclick="Radio(this.form,this);"><br></form></body></html> <select name="first" id="first" onchange="if(this.value == 'no') document.getElementById('sec').disabled=true; else document.getElementById('sec').disabled=false;"> <option value="yes">Yes</option> <option value="no">No</option> </select> <br /><br /> <select name="sec" id="sec"> <option value="yes">Yes</option> <option value="no">No</option> </select>