slideShowURL = 'SlideShow_assets/SlideShow.html';       // parameter from openSlideShowWindow.js
slideShowNS4URL = 'SlideShow_assets/SlideShowNS4.html'; // parameter from openSlideShowWindow.js

slides = new Array();
slides[0] = new Slide('../Hinges_and_Clasps_files/aa0000.jpg', '205', '459', 'Standard hinge used on all NWH\ncigar boxes.');
slides[1] = new Slide('../Hinges_and_Clasps_files/aa15.jpg', '256', '283', 'The earliest “clasp” was string, tied and sealed with wax. 1830’s to 1880’s.');
slides[2] = new Slide('../Hinges_and_Clasps_files/cp2556.jpg', '314', '256', 'Clasps with moving parts are called ‘mechanicals’ and are not common\nas they required precision to install.\n[2556]');
slides[3] = new Slide('../Hinges_and_Clasps_files/latch 4214.jpg', '288', '256', 'Hole on top slips over a \nprotrusion on the bottom.\n[4214]');
slides[4] = new Slide('../Hinges_and_Clasps_files/cb2493.jpg', '337', '255', 'Bottom inserts into top which\nmust be pre-drilled.\n[2493]');
slides[5] = new Slide('../Hinges_and_Clasps_files/cd4115.jpg', '256', '301', 'Clasps that require cutting, notching, slicing or otherwise messing with the box were time consuming and added expense. [4115]');
slides[6] = new Slide('../Hinges_and_Clasps_files/9258.jpg', '256', '280', '[9258]');
slides[7] = new Slide('../Hinges_and_Clasps_files/ar2448.jpg', '347', '255', 'Clasps that require cutting, notching, slicing or otherwise messing with the box were time consuming and added expense. [2448]');
slides[8] = new Slide('../Hinges_and_Clasps_files/ck2596.jpg', '364', '256', 'Hole on top slips over a \nprotrusion on the bottom.\n[2596]');
slides[9] = new Slide('../Hinges_and_Clasps_files/cm2449.jpg', '346', '256', 'View of previous style clasp closed.\n[2449]');
slides[10] = new Slide('../Hinges_and_Clasps_files/aq2594.jpg', '347', '256', 'Clasps that require cutting, notching, slicing or otherwise messing with the box were time consuming and added expense. [2594]');
slides[11] = new Slide('../Hinges_and_Clasps_files/as4190.jpg', '321', '256', 'Clasps that require cutting, notching, slicing or otherwise messing with the box were time consuming and added expense.  [4190]');
slides[12] = new Slide('../Hinges_and_Clasps_files/am2510.jpg', '359', '256', 'Clasps that require cutting, notching, slicing or otherwise messing with the box were time consuming and added expense. This type seldom seen. [2510]');
slides[13] = new Slide('../Hinges_and_Clasps_files/cf2540.jpg', '414', '256', 'Upper hook-over didn’t hold well.\n[2540]');
slides[14] = new Slide('../Hinges_and_Clasps_files/dc2670.jpg', '287', '256', 'Not as popular as might be expected given that it’s a one piece clasp.\n[2670]');
slides[15] = new Slide('../Hinges_and_Clasps_files/at7905.jpg', '256', '267', 'Nailed to inside lid, clasp catches on nail. \u2028Requires precision. Very uncommon. [7905]');
slides[16] = new Slide('../Hinges_and_Clasps_files/hd0000.jpg', '289', '255', '1870’s mechanical latch on novelty box.\nHole on hinged top piece slips over turning latch. Uncommon.');
slides[17] = new Slide('../Hinges_and_Clasps_files/hf0000.jpg', '276', '256', '1870’s mechanical latch on novelty box.\nHole on top slips over turning latch. Top catch not hinged, requires bending to work. Impractical and uncommon.');
slides[18] = new Slide('../Hinges_and_Clasps_files/hh4303.jpg', '256', '430', 'Mechanical clasp similar to previous two but top of catch is U not hole. Eccentric shape presses on top eye when button is turned. 1880’s. [4303]');
slides[19] = new Slide('../Hinges_and_Clasps_files/ak2595.jpg', '349', '256', 'Very rare complex mechanical catch involving turning the round button to grab a protruding hook on top. \nUsed on 1871 cardboard box. [2595]');
slides[20] = new Slide('../Hinges_and_Clasps_files/ad2593.jpg', '348', '256', 'Unusual 1870’s catch that must have been difficult to install.\n[2593]');
slides[21] = new Slide('../Hinges_and_Clasps_files/ad7529.jpg', '256', '430', 'View of preceding catch closed. What went through the protruding hole?\nUnpopular. Made boxes hard to stack.\n[7529]');
slides[22] = new Slide('../Hinges_and_Clasps_files/ag2506.jpg', '378', '256', 'Another bad idea from the 1870’s.\n[2506]');
slides[23] = new Slide('../Hinges_and_Clasps_files/az2550.jpg', '363', '255', 'One of the more popular styles.\nTop hole catches on round-head nail.\n[2550]');
slides[24] = new Slide('../Hinges_and_Clasps_files/fc3390.jpg', '256', '412', 'Hook and nail type catches are first found in the 1880’s.\n[3390]');
slides[25] = new Slide('../Hinges_and_Clasps_files/fd4273.jpg', '256', '267', 'Slightly different hook with longer shank used to hold both sides of a double lidded NWHC box.\n[4273]');
slides[26] = new Slide('../Hinges_and_Clasps_files/fh4239.jpg', '275', '256', 'Hook and eye catches are more rare than hook and nail.\n[4239]');
slides[27] = new Slide('../Hinges_and_Clasps_files/hc3462.jpg', '256', '352', 'Hasp type latch fits over very small eye which appears to have been threaded with string when new. 1880’s novelty.\n[3462]');
slides[28] = new Slide('../Hinges_and_Clasps_files/hp3356.jpg', '363', '256', 'Hasp and lock type catch from 1930’s novelty box.\n[3356]');
slides[29] = new Slide('../Hinges_and_Clasps_files/ho4301from.jpg', '349', '255', 'Hasp and lock type catch from 1920’s\nBN style box.\n[4301]');
slides[30] = new Slide('../Hinges_and_Clasps_files/hq4304from.jpg', '323', '256', 'Hasp and hook and eye combination found on fancy novelty chest c1910.\n[4304]');
slides[31] = new Slide('../Hinges_and_Clasps_files/tb7908.jpg', '294', '256', 'Rare loop type catch found on tin lunchbox c1910.\n[7908]');
slides[32] = new Slide('../Hinges_and_Clasps_files/hm2555.jpg', '256', '364', 'Type II catch for BN box. Nailed. \nCommon. [2555]');
slides[33] = new Slide('../Hinges_and_Clasps_files/kd2857.jpg', '256', '435', 'Type III catch for BN box. Nailed.\nVery common.  [2857]');
slides[34] = new Slide('../Hinges_and_Clasps_files/kh0000.jpg', '256', '434', 'Type IV catch for BN box. Stapled.\nCommon 1930’s forward.');
slides[35] = new Slide('../Hinges_and_Clasps_files/kf2773.jpg', '250', '459', 'Rare variant catch for BN box. Nailed.\n[2773]');
slides[36] = new Slide('../Hinges_and_Clasps_files/hg00001.jpg', '170', '459', 'Unusual hasp and button catch coupled with matching hinges on CASIMIR, an unusual folding salesman’s sample box.');
slides[37] = new Slide('../Hinges_and_Clasps_files/casimir00002.jpg', '170', '459', 'CASIMIR hinges');
slides[38] = new Slide('../Hinges_and_Clasps_files/bb2511.jpg', '389', '255', 'Rare type hinge for trimmed box. Label covers most of the hinge normally.\n[2511]');
slides[39] = new Slide('../Hinges_and_Clasps_files/be2512.jpg', '389', '255', 'Previous hinge as normally seen\nwith inner label covering it.\n[2512]');
slides[40] = new Slide('../Hinges_and_Clasps_files/kn4302from.jpg', '256', '346', 'Rare variant catch for BN box. Stapled.\n[4302]');
slides[41] = new Slide('../Hinges_and_Clasps_files/bg2513.jpg', '256', '304', 'Rare 1870’s hinge.\n[2513]');
slides[42] = new Slide('../Hinges_and_Clasps_files/dc6186.jpg', '256', '369', 'Patented one-nail (on each side) hinge.\n1920’s  [6186]');
slides[43] = new Slide('../Hinges_and_Clasps_files/NWH4277.jpg', '256', '362', 'Rare staple driven NWH hinge from 1920’s. [4277]');
slides[44] = new Slide('../Hinges_and_Clasps_files/ef2777.jpg', '255', '340', 'Machine stapled NW hinge from 1930’s.\n[2777]');
slides[45] = new Slide('../Hinges_and_Clasps_files/de3372.jpg', '256', '263', 'Seldom seen corner latch to hold a drop-front closed. 1890’s.  [3372]');
isPureISOLatin1 = true;
contentEncodingConstant = 4;
feedbackURL = "TODO";
showFeedbackButton = false;
feedbackEnabled = true;

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    windowsInternetExplorer = false;
    var appVersion = navigator.appVersion;
    if ((appVersion.indexOf("MSIE") != -1) &&
        (appVersion.indexOf("Macintosh") == -1))
    {
        var temp = appVersion.split("MSIE");
        browserVersion = parseFloat(temp[1]);
        windowsInternetExplorer = true;
    }
}

var inImgPropertyChanged = false;
function imgPropertyChanged()
{
    if ((window.event.propertyName == "src") && (! inImgPropertyChanged))
    {
        inImgPropertyChanged = true;
        var el = window.event.srcElement;
        if (el.src != smallTransparentGif)
        {
            el.filters.item(0).src = el.src;
            el.src = smallTransparentGif;
        }
        inImgPropertyChanged = false;
    }
}