// JavaScript Document
    var block = false;

    function searchWidth() {
        w = document.search.w.value;
        if (w.length >= 3) {
            if (!block) {
                block = true;
                document.search.h.focus();
                onSelect('h');
            } else {
                block = false;
            }
        } else {
            block = false;
        }
    }
    function searchHeight(e, b) {
        h = document.search.h.value;
        if ((h.length >= 2)&&(b == '0')) {
            if (!block) {
                block = true;
                document.search.inch.focus();
                onSelect('inch');
            } else {
                block = false;
            }
        } else if (b == '1') {
            var characterCode;

            if(e && e.which){ //get event object reference and code property for each browser
                e = e;
                characterCode = e.which;
            } else {
                e = event;
                characterCode = e.keyCode;
            }

            if ((characterCode == 8)&&(h.length == 0)) {
                var value = document.search.w.value.substring(0,2);
                document.search.w.focus();
                document.search.w.value = document.search.w.value;
            }
        } else {
            block = false;
        }
    }
    function searchInch(e, b) {
        inch = document.search.inch.value;
        if ((inch.length >= 2)&&(b == '0')) {
            document.search.inch.focus();
        } else if (b == '1') {
            var characterCode;

            if(e && e.which){ //get event object reference and code property for each browser
                e = e;
                characterCode = e.which;
            } else {
                e = event;
                characterCode = e.keyCode;
            }

            if ((characterCode == 8)&&(inch.length == 0)) {
                var value = document.search.h.value.substring(0,1);
                document.search.h.focus();
                document.search.h.value = document.search.h.value;
            }
        } else {
            block = false;
        }
    }
    function onSelect(input) {
        obj = document.search.elements[input].select();
    }