var com_off=new Image();

var top_on=new Image();
var top_off=new Image();
var com_top_on=new Image();

var school_on=new Image();
var school_off=new Image();
var com_school_on=new Image();

var course_on=new Image();
var course_off=new Image();
var com_course_on=new Image();

var voice_on=new Image();
var voice_off=new Image();
var com_voice_on=new Image();

var blog_on=new Image();
var blog_off=new Image();
var com_blog_on=new Image();

var form_on=new Image();
var form_off=new Image();
var com_form_on=new Image();

var link_on=new Image();
var link_off=new Image();
var com_link_on=new Image();


com_off.src="http://www.madam-chan.com/new/images/parts_19.gif";


top_on.src="http://www.madam-chan.com/new/image/bt_color01_on.gif";
top_off.src="http://www.madam-chan.com/new/image/bt_color01.gif";
com_top_on.src="http://www.madam-chan.com/new/image/07.gif";

school_on.src="http://www.madam-chan.com/new/image/bt_color02_on.gif";
school_off.src="http://www.madam-chan.com/new/image/bt_color02.gif";
com_school_on.src="http://www.madam-chan.com/new/image/06.gif";

course_on.src="http://www.madam-chan.com/new/image/bt_color03_on.gif";
course_off.src="http://www.madam-chan.com/new/image/bt_color03.gif";
com_course_on.src="http://www.madam-chan.com/new/image/05.gif";

voice_on.src="http://www.madam-chan.com/new/image/bt_color04_on.gif";
voice_off.src="http://www.madam-chan.com/new/image/bt_color04.gif";
com_voice_on.src="http://www.madam-chan.com/new/image/04.gif";

blog_on.src="http://www.madam-chan.com/new/image/bt_color05_on.gif";
blog_off.src="http://www.madam-chan.com/new/image/bt_color05.gif";
com_blog_on.src="http://www.madam-chan.com/new/image/03.gif";

form_on.src="http://www.madam-chan.com/new/image/bt_color06_on.gif";
form_off.src="http://www.madam-chan.com/new/image/bt_color06.gif";
com_form_on.src="http://www.madam-chan.com/new/image/02.gif";

link_on.src="http://www.madam-chan.com/new/image/bt_color07_on.gif";
link_off.src="http://www.madam-chan.com/new/image/bt_color07.gif";
com_link_on.src="http://www.madam-chan.com/new/image/01.gif";




function rollon(targetimage) {
	if(targetimage=="top") {
		document.images["top"].src=top_on.src;
		document.images["com"].src=com_top_on.src;
	}
	if(targetimage=="school") {
		document.images["school"].src=school_on.src;
		document.images["com"].src=com_school_on.src;
	}
	if(targetimage=="course") {
		document.images["course"].src=course_on.src;
		document.images["com"].src=com_course_on.src;
	}
	if(targetimage=="voice") {
		document.images["voice"].src=voice_on.src;
		document.images["com"].src=com_voice_on.src;
	}
	if(targetimage=="blog") {
		document.images["blog"].src=blog_on.src;
		document.images["com"].src=com_blog_on.src;
	}
	if(targetimage=="form") {
		document.images["form"].src=form_on.src;
		document.images["com"].src=com_form_on.src;
	}
	if(targetimage=="link") {
		document.images["link"].src=link_on.src;
		document.images["com"].src=com_link_on.src;
	}

}

function rolloff(targetimage) {
	if(targetimage=="top") {
		document.images["top"].src=top_off.src;
		document.images["com"].src=com_off.src;
	}
	if(targetimage=="school") {
		document.images["school"].src=school_off.src;
		document.images["com"].src=com_off.src;
	}
	if(targetimage=="course") {
		document.images["course"].src=course_off.src;
		document.images["com"].src=com_off.src;
	}
	if(targetimage=="voice") {
		document.images["voice"].src=voice_off.src;
		document.images["com"].src=com_off.src;
	}
	if(targetimage=="blog") {
		document.images["blog"].src=blog_off.src;
		document.images["com"].src=com_off.src;
	}
	if(targetimage=="form") {
		document.images["form"].src=form_off.src;
		document.images["com"].src=com_off.src;
	}
	if(targetimage=="link") {
		document.images["link"].src=link_off.src;
		document.images["com"].src=com_off.src;
	}

}