function includehead(){
	linkList = new Array(
		new Array("images/head_A_01.gif","Wireless Jpan 2005"),
		new Array("images/head_A_02.gif","Wireless Jpan 2005"),
		new Array("images/head_A_03.gif","Wireless Jpan 2005"),
		new Array("images/head_A_04.gif","Wireless Jpan 2005"),
		new Array("images/head_A_05.gif","Wireless Jpan 2005"),
		new Array("images/head_A_06.gif","Wireless Jpan 2005"),
		new Array("images/head_A_07.gif","Wireless Jpan 2005")
)
	rndNum = Math.floor(Math.random() * linkList.length);

	document.write("<img src='" + linkList[rndNum][0] + "' alt='" + linkList[rndNum][1] + "' border='0' width='700' height='145'>");
}