function ifrel_mulslim(obj) { if(MatriForm.Category.value=="Muslim") { MatriForm.subthree.disabled=false; MatriForm.subthree.options.length = 0 if(MatriForm.SubCategory.value=="Tamil") { MatriForm.subthree.options[MatriForm.subthree.options.length]=new Option("-- Select --","--"); MatriForm.subthree.options[MatriForm.subthree.options.length]=new Option("None","None"); } else { MatriForm.subthree.options[MatriForm.subthree.options.length]=new Option("-- Select --","--"); MatriForm.subthree.options[MatriForm.subthree.options.length]=new Option("None","--"); } } else { //MatriForm.subthree.disabled=false; } }