var productOp = null
var typeOp=null;
var modelOp=null;
var schoolOp=null;

productOp = new Array();
productOp[0]=new Option("products","0");

typeOp = new Array();
typeOp[0]=new Option("Case fan","1");
typeOp[1]=new Option("Power","2");
typeOp[2]=new Option("HDD enclosure","3");
typeOp[3]=new Option("Barebones","4");
typeOp[4]=new Option("Machine","5");
typeOp[5]=new Option("Mouse&keyboard kit","6");
typeOp[6]=new Option("Keyboard","7");
typeOp[7]=new Option("Laser Mouse","8");
typeOp[8]=new Option("Wireless Mouse","9");
typeOp[9]=new Option("wired Mouse","10");
typeOp[10]=new Option("Headphone","11");
typeOp[11]=new Option("Speaker2.0","12");
typeOp[12]=new Option("Speaker2.1","13");
typeOp[13]=new Option("Speaker5.1","14");
typeOp[14]=new Option("MP3 player","15");
typeOp[15]=new Option("Webcam","16");
typeOp[16]=new Option("HUB","17");


modelOp = new Array(0);
modelOp[0] = new Array(2);
modelOp[0][0]=new Option("AV-8","1");
modelOp[0][1]=new Option("AV-12","2");

modelOp[1] = new Array(9);
modelOp[1][0]=new Option("LC-400","1");
modelOp[1][1]=new Option("LC-500E","2");
modelOp[1][2]=new Option("P5-531K8","3");
modelOp[1][3]=new Option("P5-545K8","4");
modelOp[1][4]=new Option("SL-8600EPS dual fan","5");
modelOp[1][5]=new Option("SL-8600EPS Modular","6");
modelOp[1][6]=new Option("SL-X1000EPS","7");
modelOp[1][7]=new Option("LC-8240BTX","8");
modelOp[1][8]=new Option("LC-8320BTX","9");

modelOp[2] = new Array(3);
modelOp[2][0]=new Option("AX-221","1");
modelOp[2][1]=new Option("AX-321","2");
modelOp[2][2]=new Option("AX-521","3");


modelOp[3] = new Array(6);
modelOp[3][0]=new Option("0207KIT","1");
modelOp[3][1]=new Option("302KIT","2");
modelOp[3][2]=new Option("311KIT","3");
modelOp[3][3]=new Option("8874KIT","4");
modelOp[3][4]=new Option("913KIT","5");
modelOp[3][5]=new Option("591KIT","6");



modelOp[4] = new Array(19);
modelOp[4][0]=new Option("0207K","1");
modelOp[4][1]=new Option("200K","2");
modelOp[4][2]=new Option("CX-06","3");
modelOp[4][3]=new Option("300K","4");
modelOp[4][4]=new Option("301K","5");
modelOp[4][5]=new Option("302K","6");
modelOp[4][6]=new Option("308K","7");
modelOp[4][7]=new Option("309K","8");
modelOp[4][8]=new Option("311K","9");
modelOp[4][9]=new Option("570K","10");
modelOp[4][10]=new Option("580K","11");
modelOp[4][11]=new Option("733K","12");
modelOp[4][12]=new Option("8874K","13");
modelOp[4][13]=new Option("913K","14");
modelOp[4][14]=new Option("511K","15");
modelOp[4][15]=new Option("L585","16");
modelOp[4][16]=new Option("Z990","17");
modelOp[4][17]=new Option("L595","18");
modelOp[4][18]=new Option("L590","19");




modelOp[5] = new Array(3);
modelOp[5][0]=new Option("AK-701RF","1");
modelOp[5][1]=new Option("AK-702RF","2");
modelOp[5][2]=new Option("AK-703RF","3");


modelOp[6] = new Array(16);
modelOp[6][0]=new Option("AK-190","1");
modelOp[6][1]=new Option("AK-801","2");
modelOp[6][2]=new Option("AK-802","3");
modelOp[6][3]=new Option("AK-805","4");
modelOp[6][4]=new Option("AK-806","5");
modelOp[6][5]=new Option("AK-808","6");
modelOp[6][6]=new Option("AK-810","7");
modelOp[6][7]=new Option("AK-850","8");
modelOp[6][8]=new Option("AK-901","9");
modelOp[6][9]=new Option("AK-902","10");
modelOp[6][10]=new Option("AK-XP1","11");
modelOp[6][11]=new Option("AK-XP3","12");
modelOp[6][12]=new Option("AK-180","13");
modelOp[6][13]=new Option("AK-905","14");
modelOp[6][14]=new Option("AK-809","15");
modelOp[6][15]=new Option("AK-812","16");

modelOp[7] = new Array(3);
modelOp[7][0]=new Option("A-28L","1");
modelOp[7][1]=new Option("A-30","2");
modelOp[7][2]=new Option("A-31","3");


modelOp[8] = new Array(5);
modelOp[8][0]=new Option("A-21RF","1");
modelOp[8][1]=new Option("A-25RF","2");
modelOp[8][2]=new Option("A-26","3");
modelOp[8][3]=new Option("A-5RF","4");
modelOp[8][4]=new Option("AMN 5","5");


modelOp[9] = new Array(12);
modelOp[9][0]=new Option("A-15","1");
modelOp[9][1]=new Option("A-19","2");
modelOp[9][2]=new Option("A-21","3");
modelOp[9][3]=new Option("A-23","4");
modelOp[9][4]=new Option("A-25","5");
modelOp[9][5]=new Option("A-5","6");
modelOp[9][6]=new Option("A-8","7");
modelOp[9][7]=new Option("A-11","8");
modelOp[9][8]=new Option("A-13","9");
modelOp[9][9]=new Option("A-9","10");
modelOp[9][10]=new Option("A-29","11");
modelOp[9][11]=new Option("A-16","12");


modelOp[10] = new Array(15);
modelOp[10][0]=new Option("AE-216","1");
modelOp[10][1]=new Option("AE-321","2");
modelOp[10][2]=new Option("AE-324","3");
modelOp[10][3]=new Option("AE-334","4");
modelOp[10][4]=new Option("AE-335","5");
modelOp[10][5]=new Option("AE-666","6");
modelOp[10][6]=new Option("AE-880","7");
modelOp[10][7]=new Option("AE-925","8");
modelOp[10][8]=new Option("AE-980","9");
modelOp[10][9]=new Option("AE-218","10");
modelOp[10][10]=new Option("AE-260","11");
modelOp[10][11]=new Option("AE-330","12");
modelOp[10][12]=new Option("AE-620","13");
modelOp[10][13]=new Option("AE-819","14");
modelOp[10][14]=new Option("AE-890","15");


modelOp[11] = new Array(6);
modelOp[11][0]=new Option("AS-311U","1");
modelOp[11][1]=new Option("AS-600","2");
modelOp[11][2]=new Option("AS-666","3");
modelOp[11][3]=new Option("AS-870U","4");
modelOp[11][4]=new Option("AS-881","5");
modelOp[11][5]=new Option("AS-200U","6");



modelOp[12] = new Array(12);
modelOp[12][0]=new Option("AS-830","1");
modelOp[12][1]=new Option("AS-8304","2");
modelOp[12][2]=new Option("AS-861","3");
modelOp[12][3]=new Option("AS-862","4");
modelOp[12][4]=new Option("AS-869","5");
modelOp[12][5]=new Option("AS-878","6");
modelOp[12][6]=new Option("AS-878RF","7");
modelOp[12][7]=new Option("AS-868","8");
modelOp[12][8]=new Option("AS-899","9");
modelOp[12][9]=new Option("AS-879","10");
modelOp[12][10]=new Option("AS-8501","11");
modelOp[12][11]=new Option("AS-828","12");




modelOp[13] = new Array(6);
modelOp[13][0]=new Option("AS-5100","1");
modelOp[13][1]=new Option("AS-5101","2");
modelOp[13][2]=new Option("AS-5200","3");
modelOp[13][3]=new Option("AS-5300","4");
modelOp[13][4]=new Option("AS-5400","5");
modelOp[13][5]=new Option("AS-5500","6");

modelOp[14] = new Array(6);
modelOp[14][0]=new Option("M300","1");
modelOp[14][1]=new Option("M116","2");
modelOp[14][2]=new Option("M118","3");
modelOp[14][3]=new Option("M119","4");
modelOp[14][4]=new Option("M500","5");
modelOp[14][5]=new Option("M520","6");


modelOp[15] = new Array(9);
modelOp[15][0]=new Option("WB-C04","1");
modelOp[15][1]=new Option("WB-C05","2");
modelOp[15][2]=new Option("WB-C06","3");
modelOp[15][3]=new Option("WB-C08","4");
modelOp[15][4]=new Option("WB-C07","5");
modelOp[15][5]=new Option("WB-C09","6");
modelOp[15][6]=new Option("WB-C10","7");
modelOp[15][7]=new Option("WB-C11","8");
modelOp[15][8]=new Option("WB-C12","9");




modelOp[16] = new Array(2);
modelOp[16][0]=new Option("A-HUB01","1");
modelOp[16][1]=new Option("A-HUB02","2");


var productObject;
var typeObject;
var modelObject;
var typeObject;

function window_onload(product,type,model){
    productObject = product;
    typeObject = type;
    modelObject = model;
    //typeObject = type;
    for(i=0;i<productOp.length;i++){
        productObject.add(productOp[i]);
    }
    productObject.selectedIndex=0;
    addtype(product);
    //provinceObject.options[0].selected = true;
    addmodel(type);
    //cityObject.options[0].selected = true;
}

function addtype(product){
    if(product.options[product.selectedIndex].value==0){
        for(i=0;i<typeOp.length;i++){
            typeObject.add(typeOp[i]);
        }
    }else{
        typeObject.add(new Option("all","0"));
    }
}


function addmodel(prov){
    if(productObject.options[productObject.selectedIndex].value==0){
        var i = type.selectedIndex;
        for(j=0;j<modelOp[i].length;j++){
            modelObject.add(modelOp[i][j]);
        }
    }else{
        modelObject.add(new Option("all","0"));
    }    
}


function deltype(){
    var len = typeObject.length;
    for(i=0;i<len;i++){
        typeObject.remove(0);
    }
}


function delmodel(){
    var len = modelObject.length;
    for(i=0;i<len;i++){
        modelObject.remove(0);
    }
}

function product_onchange(product){
    deltype();
    delmodel();
    //window_onload(country,provinceObject,cityObject);
    addtype(product);
    typeObject.selectedIndex=0;
    addmodel(typeObject);
}


function type_onchange(type){
    delmodel();
    addmodel(type);
}