function fillCategory(){ 
 // this function is used to fill the category list on load
addOption(document.drop_list.Mfg, "Alien Motors", "Alien Motors", "");
addOption(document.drop_list.Mfg, "Baja Motorsports", "Baja Motorsports", "");
addOption(document.drop_list.Mfg, "Boreem / BMS", "Boreem / BMS", "");
addOption(document.drop_list.Mfg, "Coolster", "Coolster", "");
addOption(document.drop_list.Mfg, "Dazon", "Dazon", "");
addOption(document.drop_list.Mfg, "Geely", "Geely", "");
addOption(document.drop_list.Mfg, "Go Scoot", "Go Scoot", "");
addOption(document.drop_list.Mfg, "J&B Motorsports", "J&B Motorsports", "");
addOption(document.drop_list.Mfg, "Jackel", "Jackel", "");
addOption(document.drop_list.Mfg, "Jetmoto", "Jetmoto", "");
addOption(document.drop_list.Mfg, "Kazuma", "Kazuma", "");
addOption(document.drop_list.Mfg, "Maxam", "Maxam", "");
addOption(document.drop_list.Mfg, "Marshin", "Marshin", "");
addOption(document.drop_list.Mfg, "Qingqui", "Qingqui", "");
addOption(document.drop_list.Mfg, "Redcat", "Redcat", "");
addOption(document.drop_list.Mfg, "Roketa", "Roketa", "");
addOption(document.drop_list.Mfg, "SunL", "SunL", "");
addOption(document.drop_list.Mfg, "Tank", "Tank", "");
addOption(document.drop_list.Mfg, "Terminator", "Terminator", "");
addOption(document.drop_list.Mfg, "Venom Motors", "Venom Motors", "");
addOption(document.drop_list.Mfg, "Wahoo", "Wahoo", "");
addOption(document.drop_list.Mfg, "Yamota", "Yamota", "");


}

function SelectModel(){
// ON selection of category this function will work

removeAllOptions(document.drop_list.Model);
addOption(document.drop_list.Model, "", "Model", "");

if(document.drop_list.Mfg.value == 'Alien Motors'){
addOption(document.drop_list.Model,"Desert 50", "Desert 50");
addOption(document.drop_list.Model,"Mohave 110", "Mohave 110");
addOption(document.drop_list.Model,"RockStar 150", "RockStar 150");
}
if(document.drop_list.Mfg.value == 'Baja Motorsports'){
addOption(document.drop_list.Model,"Baja 50", "Baja 50");
addOption(document.drop_list.Model,"Baja 150", "Baja 150");
addOption(document.drop_list.Model,"Dirt Runner 50", "Dirt Runner 50", "");
addOption(document.drop_list.Model,"Dirt Runner 70", "Dirt Runner 70");
addOption(document.drop_list.Model,"Wilderness 50-U", "Wilderness 50-U");
addOption(document.drop_list.Model,"Wilderness 90-U", "Wilderness 90-U");
addOption(document.drop_list.Model,"Wilderness 250-U", "Wilderness 250-U");
addOption(document.drop_list.Model,"Canyon 90-U", "Canyon 90-U");
addOption(document.drop_list.Model,"Storm 125", "Storm 125");
addOption(document.drop_list.Model,"SSR-200", "SSR-200");
addOption(document.drop_list.Model,"Extreme 300", "Extreme 300");


}
if(document.drop_list.Mfg.value == 'Boreem / BMS'){
addOption(document.drop_list.Model,"ATV-110", "ATV-110");
addOption(document.drop_list.Model,"ATV-150", "ATV-150");
addOption(document.drop_list.Model,"", "", "");
}
if(document.drop_list.Mfg.value == 'Coolster'){
addOption(document.drop_list.Model,"Cool ATV 3050A", "Cool ATV 3050A");

}
if(document.drop_list.Mfg.value == 'Dazon'){
addOption(document.drop_list.Model,"Raider Mini 90 Double", "Raider Mini 90 Double");

}
if(document.drop_list.Mfg.value == 'Geely'){
addOption(document.drop_list.Model,"Euro 50", "Euro 50");
addOption(document.drop_list.Model,"Fast 50", "Fast 50");
addOption(document.drop_list.Model,"Metro 50", "Metro 50", "");
addOption(document.drop_list.Model,"Retro 50", "Retro 50");
addOption(document.drop_list.Model,"Sport 50", "Sport 50");

}
if(document.drop_list.Mfg.value == 'Go Scoot'){
addOption(document.drop_list.Model,"Meerkat 50", "Meerkat 50");
addOption(document.drop_list.Model,"Kat 50 Deluxe", "Kat 50 Deluxe");
addOption(document.drop_list.Model,"Dingo 70", "Dingo 70", "");
addOption(document.drop_list.Model,"Falcon 90", "Falcon 90");
addOption(document.drop_list.Model,"Gladiator 90", "Gladiator 90");
addOption(document.drop_list.Model,"Dingo 110", "Dingo 110");
addOption(document.drop_list.Model,"Baby Falcon 110", "Baby Falcon 110");
addOption(document.drop_list.Model,"Falcon 110", "Falcon 110");
addOption(document.drop_list.Model,"Falcon 110 Deluxe", "Falcon 110 Deluxe");
addOption(document.drop_list.Model,"Jaguar 110", "Jaguar 110");
addOption(document.drop_list.Model,"Falcon 150", "Falcon 150");
addOption(document.drop_list.Model,"Dingo 150", "Dingo 150");
addOption(document.drop_list.Model,"Jaguar 150", "Jaguar 150");
addOption(document.drop_list.Model,"Dingo 200", "Dingo 200");
addOption(document.drop_list.Model,"Falcon 250", "Falcon 250");
addOption(document.drop_list.Model,"Cougar 250", "Cougar 250");
addOption(document.drop_list.Model,"Panda 110", "Panda 110");
addOption(document.drop_list.Model,"Lacoste 110", "Lacoste 110");
addOption(document.drop_list.Model,"Kat 150", "Kat 150");
addOption(document.drop_list.Model,"Lacoste 150", "Lacoste 150");
addOption(document.drop_list.Model,"Dingo 250", "Dingo 250");
addOption(document.drop_list.Model,"Euro 50", "Euro 50");
addOption(document.drop_list.Model,"Fast 50", "Fast 50");
addOption(document.drop_list.Model,"Flash 50", "Flash 50");
addOption(document.drop_list.Model,"Metro 50", "Metro 50");
addOption(document.drop_list.Model,"Retro 50", "Retro 50");
addOption(document.drop_list.Model,"Sport 50", "Sport 50");

}
if(document.drop_list.Mfg.value == 'J&B Motorsports'){
addOption(document.drop_list.Model,"Falcon 90", "Falcon 90");
addOption(document.drop_list.Model,"Tomahawk Arrow 90", "Tomahawk Arrow 90");
addOption(document.drop_list.Model,"Tomahawk Tribe 100", "Tomahawk Tribe 100");
addOption(document.drop_list.Model,"Tomahawk Navajo 110", "Tomahawk Navajo 110");
addOption(document.drop_list.Model,"Tomahawk Phoenix 110 Mini", "Tomahawk Phoenix 110 Mini");
addOption(document.drop_list.Model,"Tomahawk Renegade 110", "Tomahawk Renegade 110");
addOption(document.drop_list.Model,"110cc W/Reverse", "110cc W/Reverse");
addOption(document.drop_list.Model,"Tomahawk Zuni 110", "Tomahawk Zuni 110");
addOption(document.drop_list.Model,"110 STD", "110 STD");
addOption(document.drop_list.Model,"Tomahawk Fury 110", "Tomahawk Fury 110");
addOption(document.drop_list.Model,"Tomahawk Phoenix 110", "Tomahawk Phoenix 110");
addOption(document.drop_list.Model,"Falcon 110", "Falcon 110");
addOption(document.drop_list.Model,"Tomahawk Renegade 125", "Tomahawk Renegade 125");
addOption(document.drop_list.Model,"Tomahawk Navajo 150", "Tomahawk Navajo 150");
addOption(document.drop_list.Model,"Falcon 150", "Falcon 150");
addOption(document.drop_list.Model,"150ST", "150ST");
addOption(document.drop_list.Model,"250STD", "250STD");
addOption(document.drop_list.Model,"Falcon 250", "Falcon 250");
addOption(document.drop_list.Model,"250STD", "250STD");
addOption(document.drop_list.Model,"Utility 250", "Utility 250");
addOption(document.drop_list.Model,"Cougar 250", "Cougar 250");


}
if(document.drop_list.Mfg.value == 'Jackel'){
addOption(document.drop_list.Model,"50R", "50R");
addOption(document.drop_list.Model,"50cc", "50cc");

}
if(document.drop_list.Mfg.value == 'Jetmoto'){
addOption(document.drop_list.Model,"50cc", "50cc");
addOption(document.drop_list.Model,"90cc", "90cc");
addOption(document.drop_list.Model,"125cc", "125cc", "");
addOption(document.drop_list.Model,"150cc", "150cc");
addOption(document.drop_list.Model,"200cc", "200cc");
}
if(document.drop_list.Mfg.value == 'Kazuma'){
addOption(document.drop_list.Model,"Meerkat 50", "Meerkat 50");
addOption(document.drop_list.Model,"Falcon 90", "Falcon 90");
addOption(document.drop_list.Model,"Dingo 110", "Dingo 110", "");
addOption(document.drop_list.Model,"Baby Falcon 110", "Baby Falcon 110");
addOption(document.drop_list.Model,"Falcon 110", "Falcon 110");
addOption(document.drop_list.Model,"Falcon 110 Deluxe", "Falcon 110 Deluxe");
addOption(document.drop_list.Model,"Falcon 150", "Falcon 150");
addOption(document.drop_list.Model,"Dingo 150", "Dingo 150");
addOption(document.drop_list.Model,"Falcon 250", "Falcon 250");
addOption(document.drop_list.Model,"Cougar 250", "Cougar 250");
addOption(document.drop_list.Model,"Panda 110", "Panda 110");
addOption(document.drop_list.Model,"Lacoste 110", "Lacoste 110");
addOption(document.drop_list.Model,"Kat 150", "Kat 150");
addOption(document.drop_list.Model,"Lacoste 150", "Lacoste 150");
addOption(document.drop_list.Model,"Dingo 250", "Dingo 250");


}
if(document.drop_list.Mfg.value == 'Maxam'){
addOption(document.drop_list.Model,"Mini MX 50", "Mini MX 50");
addOption(document.drop_list.Model,"MX 150 Trail", "MX 150 Trail");

}
if(document.drop_list.Mfg.value == 'Marshin'){
addOption(document.drop_list.Model,"Mod Quad 50", "Mod Quad 50");
addOption(document.drop_list.Model,"Oryx 110cc", "Oryx 110cc");
addOption(document.drop_list.Model,"Oryx 125cc", "Oryx 125cc");
addOption(document.drop_list.Model,"Oryx 150cc", "Oryx 150cc");
addOption(document.drop_list.Model,"Sahara 200cc", "Sahara 200cc");
addOption(document.drop_list.Model,"Sahara 250cc", "Sahara 250cc");

}
if(document.drop_list.Mfg.value == 'Qingqui'){
addOption(document.drop_list.Model,"QM80ATV", "QM80ATV");
addOption(document.drop_list.Model,"QM200 ATV", "QM200 ATV");

}

if(document.drop_list.Mfg.value == 'Redcat'){
addOption(document.drop_list.Model,"KMX-50", "KMX-50");
addOption(document.drop_list.Model,"MPX-50", "MPX-50");
addOption(document.drop_list.Model,"MPX-50 Utility", "MPX-50 Utility");
addOption(document.drop_list.Model,"FX-75", "FX-75");
addOption(document.drop_list.Model,"MPX-70", "MPX-70");
addOption(document.drop_list.Model,"MPX-70 SGT", "MPX-70 SGT");
addOption(document.drop_list.Model,"MPX-90", "MPX-90");
addOption(document.drop_list.Model,"MPX-90 SGT", "MPX-90 SGT");
addOption(document.drop_list.Model,"MPX-90 Utility", "MPX-90 Utility");
addOption(document.drop_list.Model,"MPX-110", "MPX-110");
addOption(document.drop_list.Model,"KMX-150", "KMX-150");
addOption(document.drop_list.Model,"MPX-150", "MPX-150");
addOption(document.drop_list.Model,"VX-150", "VX-150");
}
if(document.drop_list.Mfg.value == 'Roketa'){
addOption(document.drop_list.Model,"ATV-01", "ATV-01");

}
if(document.drop_list.Mfg.value == 'SunL'){
addOption(document.drop_list.Model,"SLA110KL", "SLA110KL");
addOption(document.drop_list.Model,"SLA150KL", "SLA150KL");
addOption(document.drop_list.Model,"SLA150LK", "SLA150KL");


}
if(document.drop_list.Mfg.value == 'Tank'){
addOption(document.drop_list.Model,"110PY", "110PY");

}
if(document.drop_list.Mfg.value == 'Terminator'){
addOption(document.drop_list.Model,"ATV-01", "ATV-01");
addOption(document.drop_list.Model,"ATV-05", "ATV-05");
addOption(document.drop_list.Model,"ATV-28", "ATV-28");


}
if(document.drop_list.Mfg.value == 'Venom Motors'){
addOption(document.drop_list.Model,"K90R", "K90R");
addOption(document.drop_list.Model,"B110R", "B110R");
addOption(document.drop_list.Model,"Transformer 110cc", "Transformer 110cc");
addOption(document.drop_list.Model,"B150R", "B150R");
addOption(document.drop_list.Model,"250cc Utility", "250cc Utility");


}

if(document.drop_list.Mfg.value == 'Wahoo'){
addOption(document.drop_list.Model,"50cc", "50cc");
addOption(document.drop_list.Model,"110cc", "110cc");
addOption(document.drop_list.Model,"150D", "150D");

}
if(document.drop_list.Mfg.value == 'Yamota'){
addOption(document.drop_list.Model,"110cc", "110cc");
addOption(document.drop_list.Model,"150cc", "150cc");
addOption(document.drop_list.Model,"200cc", "200cc");

}

}

////////////////// 

function removeAllOptions(selectbox)
{
	var i;
	for(i=selectbox.options.length-1;i>=0;i--)
	{
		//selectbox.options.remove(i);
		selectbox.remove(i);
	}
}


function addOption(selectbox, value, text )
{
	var optn = document.createElement("OPTION");
	optn.text = text;
	optn.value = value;

	selectbox.options.add(optn);
}