function menu_m_over(elem, n){
	elem.style.backgroundImage="url(images/buttons/menu_"+n+"_h.jpg)";
}

function menu_m_out(elem, n){
	elem.style.backgroundImage="url(images/buttons/menu_"+n+".jpg)";
}

function sub_menu_m_over(elem, n){
	elem.style.backgroundImage="url(images/buttons/sub_menu_"+n+"_h.jpg)";
}

function sub_menu_m_out(elem, n){
	elem.style.backgroundImage="url(images/buttons/sub_menu_"+n+".jpg)";
}

function toggle_div(num){
	$('#sub_prod_'+num).slideToggle();
}

function toggle_pict(mark, model){
	change_color(mark, model, 'blue');
	$('#'+model).slideToggle();
	$('#'+model+'_color').slideToggle();
}

function change_color(mark, name, col){
	document.images[name+"_main"].src="images/prod/"+mark+"/"+name+"_"+col+".jpg";
}