if (document.getElementById("cart1") != null){
	document.getElementById("cart1").style.display = "block";
}
if (document.getElementById("cart2") != null){
	document.getElementById("cart2").style.display = "inline";
}
if (document.getElementById("cart3") != null){
	document.getElementById("cart3").style.display = "list-item";
}

if (document.getElementById("cart4") != null){
	document.getElementById("cart4").style.display = "block";
}