var openDiv='';
function OpenBlogMod(type){
	switch (type){
		case 'CAT':
			if (openDiv){
				new Effect.Fade(openDiv,{afterFinish: function(){
					new Effect.Appear('blognavcategory');
				}});
			}else{
				new Effect.Appear('blognavcategory');
			}
			openDiv='blognavcategory';
		break;
		case 'ARC':
			if (openDiv){
				new Effect.Fade(openDiv,{afterFinish: function(){
					new Effect.Appear('blognavarchive');
				}});
			}else{
					new Effect.Appear('blognavarchive');
			}
			openDiv='blognavarchive';
		break;
		case 'SUB':
			if (openDiv){
				new Effect.Fade(openDiv,{afterFinish: function(){
					new Effect.Appear('blognavsubscribe');
				}});
			}else{
					new Effect.Appear('blognavsubscribe');
			}
			openDiv='blognavsubscribe';
		break;
	}
}
function CloseBlogNav(){
	new Effect.Fade(openDiv);
	openDiv='';
}