if(navigator.appVersion.indexOf("Mac") >= 1){
	document.write('<LINK REL=stylesheet TYPE=text/css HREF=mac.css>');
}else{
	document.write('<LINK REL=stylesheet TYPE=text/css HREF=win.css>');
}




/*pulldown  menu script*/
function pDown1() {
	document.getElementById('pull1').style.visibility='visible';
}
function pHide1() {
	document.getElementById('pull1').style.visibility='hidden';
}
function pDown2() {
	document.getElementById('pull2').style.visibility='visible';
}
function pHide2() {
	document.getElementById('pull2').style.visibility='hidden';
}
function pDown3() {
	document.getElementById('pull3').style.visibility='visible';
}
function pHide3() {
	document.getElementById('pull3').style.visibility='hidden';
}
function pDown4() {
	document.getElementById('pull4').style.visibility='visible';
}
function pHide4() {
	document.getElementById('pull4').style.visibility='hidden';
}