function show_model(){
			if((document.model_form.model.value) == 1){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Discovery-1";
			}
			if((document.model_form.model.value) == 2){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Defender-110";
			}
			if((document.model_form.model.value) == 3){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Defender-90";
			}
			if((document.model_form.model.value) == 4){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Discovery-2";
			}
			if((document.model_form.model.value) == 5){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Freelander";
			}
			if((document.model_form.model.value) == 6){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Range-Rover-Classic";
			}
			if((document.model_form.model.value) == 7){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Range-Rover-95MY";
			}
			if((document.model_form.model.value) == 8){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Series-LR";
			}
			if((document.model_form.model.value) == 9){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Range-Rover-2";
			}
			if((document.model_form.model.value) == 13){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Discovery-3";
			}
			if((document.model_form.model.value) == 14){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Range-Rover-Sport";
			}
			if((document.model_form.model.value) == 16){
				window.location = "http://www.land-rover-parts-shop.com/show_acc_categories_2.php?model=Freelander-2";
			}
       }