function open_menu(id){
	i = document.getElementById(id).style.display
	if(i == "none"){
		document.getElementById(id).style.display = "";		
	} else {
		document.getElementById(id).style.display = "none";		
	}
}

function change_event(image_name,image_desc){
	

	document.getElementById('main_image').src = "images/portfolio/"+image_name;
	document.getElementById('image_desc').innerHTML = image_desc;


}


function change_acc(id){
	document.getElementById('van').style.display = "none";
	document.getElementById('truck').style.display = "none";
	
	document.getElementById(id).style.display = '';
}