function validate(){
	var form = document.getElementById("form");
	
	if(form.title.value=="" || form.title.value==null ||
	   form.file.value=="" || form.file.value==null ||
	   form.desc.value=="" || form.desc.value==null ||
	   form.credits.value=="" || form.credits.value==null ||
	   form.video.value=="" || form.video.value==null)
	{
		alert("Please fill all fields and upload an image.");
		return false;
	}
	else return true;
}