var color = '1';
var size = '200';
var kado = 'maru';
var type = '1';
function changeColor(newColor) {
	color = newColor;
	writeTextArea();
}
function changeSize(newSize) {
	size = newSize;
	writeTextArea();
}
function changeKado(newKado) {
	kado = newKado;
	writeTextArea();
}
function changeType(newType) {
	type = newType;
	writeTextArea();
}
function writeTextArea() {
	var height = 320;
	if (type == '1') {
		if (size == '160') {
			height = 490;
		} else {
			height = 520;
		}
	}
	var iframeSrc = 'http://ck2-blogger.jp/cgi-bin/blogparts/www.dentani.com/blogparts_view_' + type + '.pl?color=' + color + '&size=' + size + '&kado=' + kado;
	var imageSrc = 'http://ck2-blogger.jp/blogparts/www.dentani.com/image/' + size + kado + '-' + color + '-bt.jpg';
	var scriptText = 
		'<iframe width="' + size + 'px" height="' + height + 'px" marginwidth="0" marginheight="0" hspace="0" vspace="0" scrolling="no" frameborder="0"' +
		'src="' + iframeSrc + '"></iframe>' + 
		'<div><a href="' + link + '"><img src="' + imageSrc + '" alt="' + alt + '" border="0"></a></div>';
	document.form1.textarea1.value = scriptText;
	document.getElementById('blogparts_view').src = iframeSrc;
	document.getElementById('blogparts_view').width = size;
	document.getElementById('blogparts_view').height = height;
	document.getElementById('blogparts_view_img').src = imageSrc;
}
function TextareaSelected() {
  document.form1.textarea1.focus();
  document.form1.textarea1.select();
}