function preloadImages()
	{
		image01 = new Image();
		image01.src = "../images/m1_on.gif";
		image02 = new Image();
		image02.src = "../images/m2_on.gif";
		image03 = new Image();
		image03.src = "../images/m3_on.gif";
		image04 = new Image();
		image04.src = "../images/m4_on.gif";
		image05 = new Image();
		image05.src = "../images/m5_on.gif";
		image06 = new Image();
		image06.src = "../images/m6_on.gif";
		image07 = new Image();
		image07.src = "../images/m7_on.gif";
		image08 = new Image();
		image08.src = "../images/tool_save.gif";
		image09 = new Image();
		image09.src = "../images/tool_cancel.gif";
		image10 = new Image();
		image10.src = "../images/logout_on.gif";
		image11 = new Image();
		image11.src = "../images/duplicate_on.gif";
	}