// common javascripts

var button_load_stack = new Array();

function preload_button_rollstate(ipath) {
	var idx = button_load_stack.length;
	if(document.images) {
		button_load_stack[idx] = new Image; 
		button_load_stack[idx].src = (''+ipath+'_o.gif');
	}
}

function rollover_image(imgname, ipath, state) {
	if(document.images) {
		if(state == 1) {
			document.images[imgname].src = ipath+''+imgname+'_o.gif';
		} else {
			document.images[imgname].src = ipath+''+imgname+'.gif';
		}
	}
}