var arr;
var option;

function clearModel() {
    models = document.getElementById("model");
    for (loop = models.childNodes.length -1; loop >= 0 ; loop--) {
        models.remove(models.childNodes[loop]);
    }
}


function getModel(val) { 
//var ManuSelected=  document.contact.manufacturer.selectedIndex.value;
var model= document.getElementById("model");

switch(val){
case "Asus":
arr = new Array("Asus A63X","Asus p525","Asus P535");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Dell":
arr = new Array("Dell Axim5","Dell Axim X3","Dell Axim X3i","Axim X51v");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;


case "Dopod":
arr = new Array("Dopod S301","Dell Axim X3","Dopod d810","Dopod s300");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Fujitsu-Siemens":
arr = new Array("Fujistu Siemens Loox610","Fujistu Siemens loox N560","Fujistu Siemens Loox T810-830");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Hp":
arr = new Array("HP iPAQ 510 Mobile Messenger","HP iPAQ h1910","HP iPAQ h1940","HP iPAQ h1930","HP iPAQ h3760","HP iPAQ h3850","HP iPAQ h3870","HP iPAQ h3950","iPAQ h3970","HP iPAQ h4150","HP iPAQ h4350","HP iPAQ h5450","HP iPAQ h5000","HP iPAQ h5550","HP iPAQ h6310-6365","HP iPAQ hw6900-6915","iPAQ hx2400-2715","HP iPAQ hw6500 Mobile Messenger","HP iPAQ hw6910 Mobile Messenger","HP iPAQ hw6915 Mobile Messenger","HP iPAQ hw6920 Mobile Messenger","HP iPAQ hw6925 Mobile Messenger","HP iPAQ hw6940 Mobile Messenger","HP iPAQ hw6945 Mobile Messenger","HP iPAQ hw6965 Mobile Messenger","HP iPAQ hx2110","HP iPAQ hx2190","HP iPAQ hx2190-2490","HP iPAQ hx24100","HP iPAQ hx2750","HP iPAQ hx2790","HP iPAQ hx3715","HP iPAQ hx4700","HP iPAQ rw6818","HP iPAQ rw6828","HP iPAQ rx1950","HP iPAq rx3700","HP iPAQ rz1710");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "HTC":
arr = new Array("HTC MTeoR","HTC P3300","HTC p3050","HTC Touch Diamond","HTC Touch p3450","HTC P3600","HTC P4350","HTC S310","HTC S620","HTC S710","HTC TyTN","HTC TyTN ii","HTC X7500","HTC P3400","HTC P3450");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "I-mate":
arr = new Array("i-mate JAM","i-mate Jamin","i-mate Jama","i-mate JAQ","i-mate JAQ3","i-mate JASJAM","i-mate JASJAR","i-mate K-JAM","i-mate KJAR","i-mate New JAM","i-mate PDA-N","i-mate PDA-I","i-mate PDA2","i-mate PDA2k","i-mate PDA2k EVDO","i-mate Ultimate 9502","i-mate PDAL","i-mate Phone Edition","i-mate Smartphone","i-mate Smartphone2","i-mate SP Jas","i-mate SP3","i-mate SP3i","i-mate SP5","i-mate SP5m","i-mate SP6","i-mate SPL");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Lg":
arr = new Array("LG KS10");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Mio":
arr = new Array("MIO p550");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Motorola":
arr = new Array("Motorola Moto Z10","Motorola Rizr Z8");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Nokia":
arr = new Array("3250","5300","5500","5700 XpressMusic","6110 Navigator","6120 Classic","6121","6124","6220","6290","6650","E50","E51","E60","E61","E61i","E65","E66","E70","E71","N71","N73","N75","N76","N77","N78","N80","N81 8Gb","N82","N91","N92","N93","N93i","N95","N95 8Gb","N96");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "o2":
arr = new Array("O2 xda2s","O2 xda Atom","O2 xda mini","O2 xda neo ");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Palm":
arr = new Array("Palm Treo 700w","Palm Treo 700wx","Palm Treo 750 wm6","Palm Treo 750v");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "QTEK":
arr = new Array("AnexTEK moboDA 3160","AnexTEK moboDA 3360","AnexTEK moboDA 3380","AnexTEK SP230","AnexTEK SP310");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;


case "Samsung":
arr = new Array("Samsung sgh-g810","Samsung sgh-i400","Samsung sgh-i450","Samsung sgh-i520","Samsung sgh-i550","Samsung sgh-i560","Samsung sgh i710","Samsung sgh i780","Samsung sgh l870","Samsung sch i730");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Siemens":
arr = new Array("Siemens SX56","Siemens SX66");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Sonyericsson":
arr = new Array("Sonyericsson M600","Sonyericsson P1i","Sonyericsson P990i","Sonyericsson W950","Sonyericsson W960","Sonyericsson G700","Sonyericsson G900");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Symbian":
arr = new Array("S60","UIQ");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Toshiba":
arr = new Array("Toshiba e335","Toshiba e350","Toshiba e800");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

case "Verizon":
arr = new Array("Verizon xv6700");
model.disabled = false;
clearModel();
for (var i=0;i<arr.length;i++) {
option = new Option(arr[i],arr[i]);
model.options[i] = option;
}
break;

default:
model.options.length = 0;
break;
}

}