//�m���A�a��
function btYouRollover() {
	document.getElementById("bt_you").onmouseover = function() {
		document.getElementById("bt_you").setAttribute("src", "./images/bt_you_over.png");
	}
	document.getElementById("bt_you").onmouseout = function() {
		document.getElementById("bt_you").setAttribute("src", "./images/bt_you.png");
	}
}
if(window.addEventListener) {
	window.addEventListener("load", btYouRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", btYouRollover);
}

function btWaRollover() {
	document.getElementById("bt_wa").onmouseover = function() {
		document.getElementById("bt_wa").setAttribute("src", "./images/bt_wa_over.png");
	}
	document.getElementById("bt_wa").onmouseout = function() {
		document.getElementById("bt_wa").setAttribute("src", "./images/bt_wa.png");
	}
}
if(window.addEventListener) {
	window.addEventListener("load", btWaRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", btWaRollover);
}

//�\��
function btResSweetRollover() {
	document.getElementById("btres_sweet").onmouseover = function() {
		document.getElementById("btres_sweet").setAttribute("src", "./images/bt_reserv_over.png");
	}
	document.getElementById("btres_sweet").onmouseout = function() {
		document.getElementById("btres_sweet").setAttribute("src", "./images/bt_reserv.png");
	}
}
if(window.addEventListener) {
	window.addEventListener("load", btResSweetRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", btResSweetRollover);
}

function btResYouRollover() {
	document.getElementById("btres_you").onmouseover = function() {
		document.getElementById("btres_you").setAttribute("src", "./images/bt_reserv_over.png");
	}
	document.getElementById("btres_you").onmouseout = function() {
		document.getElementById("btres_you").setAttribute("src", "./images/bt_reserv.png");
	}
}
if(window.addEventListener) {
	window.addEventListener("load", btResYouRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", btResYouRollover);
}

function btResWaRollover() {
	document.getElementById("btres_wa").onmouseover = function() {
		document.getElementById("btres_wa").setAttribute("src", "./images/bt_reserv_over.png");
	}
	document.getElementById("btres_wa").onmouseout = function() {
		document.getElementById("btres_wa").setAttribute("src", "./images/bt_reserv.png");
	}
}
if(window.addEventListener) {
	window.addEventListener("load", btResWaRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", btResWaRollover);
}