function Appear(ID){
	var obj = ID;
	if( document.getElementById ) {
		if( document.getElementById(obj).style.display ) {
			if(document.getElementById(obj).style.display == "block"){
                document.getElementById(obj).style.display = "none";
            } else {
                document.getElementById(obj).style.display = "block";
            }
		} 
	}
}

function showPreview(){
	if(document.getElementById('preview')) {
		document.getElementById('preview').style.display = "block";
	}
	if(document.getElementById('entryForm')) {
		document.getElementById('entryForm').style.display = "none";
	}
	if(document.getElementById('show_pre') && document.getElementById('hide_pre')) {
		document.getElementById('show_pre').style.backgroundColor = "#ECE9D8";
		document.getElementById('show_pre').style.color = "#666666";
		document.getElementById('hide_pre').style.backgroundColor = "#ffffff";
		document.getElementById('hide_pre').style.color = "#666666";
	}
}

function hidePreview(){
	if(document.getElementById('preview')) {
		document.getElementById('preview').style.display = "none";
	}
	if(document.getElementById('entryForm')) {
		document.getElementById('entryForm').style.display = "block";
	}
	if(document.getElementById('show_pre') && document.getElementById('hide_pre')) {
		document.getElementById('show_pre').style.backgroundColor = "#ffffff";
		document.getElementById('show_pre').style.color = "#666666";
		document.getElementById('hide_pre').style.backgroundColor = "#ECE9D8";
		document.getElementById('hide_pre').style.color = "#666666";
	}
}