document.write("<STYLE TYPE='text/css'><!--")
if(navigator.appVersion.indexOf("Mac") > 1){
	// MAC IE
	if(navigator.appName.charAt(0) == "M"){
	document.write("TD,P,B{ font-size:11px; color:#333; }")
	document.write("A:link{ font-size:12px; color:#36c; text-decoration:none; }")
	document.write("A:visited{ font-size:12px; color:#f93; text-decoration:none; }")
	document.write("A:active{ font-size:12px; color:#060; text-decoration:none; }")
	document.write("A:hover{ font-size:12px; color:#f33; }")
	document.write("input,textarea { font-size:12px; color:#333; border:1px solid #667; }");
	document.write(".submit { font-size:12px; color:#333; background:#fff; border:1px solid #667; width=45px; height=16px; cursor:hand; }");
	}
	else{
	// MAC NN
	document.write("TD,B,P{ font-size:11px; color:#333; }")
	document.write("A:link{ font-size:12px; color:#36c; text-decoration:none; }")
	document.write("A:visited{ font-size:12px; color:#f93; text-decoration:none; }")
	document.write("A:active{ font-size:12px; color:#060; text-decoration:none; }")
	document.write("A:hover{ font-size:12px; color:#f33; }")
	}
}
if(navigator.appVersion.indexOf("Win") > 1){
	if(navigator.appName.charAt(0) == "M"){
	// WIN IE
	document.write("TD,P,B{ font-size:12px; color:#333; }")
	document.write("A:link{ font-size:12px; color:#36c; text-decoration:none; }")
	document.write("A:visited{ font-size:12px; color:#f93; text-decoration:none; }")
	document.write("A:active{ font-size:12px; color:#060; text-decoration:none; }")
	document.write("A:hover{ font-size:12px; color:#f33; line-height: 12px; }")
	document.write("input,textarea { font-size:12px; color:#333; border:1px solid #667; }");
	document.write(".submit { font-size:12px; color:#333; background:#fff; border:1px solid #667; width=60px; height=17px; cursor:hand; }");
	}
	else{
	// WIN NN
	document.write("TD,P,B{ font-size:12px; color:#333; }")
	document.write("A:link{ font-size:12px; color:#36c; text-decoration:none; }")
	document.write("A:visited{ font-size:12px; color:#f93; text-decoration:none; }")
	document.write("A:active{ font-size:12px; color:#060; text-decoration:none; }")
	}
}
document.write("--></STYLE>");

<!--
img1 = new Image();
img1.src = "../icon/bac2.gif";
img2 = new Image();
img2.src = "../icon/back.gif";
function imageOn(imageName){
	document[imageName].src = img1.src;
}
function imageOff(imageName){
	document[imageName].src = img2.src;
}
//->