function set_drop_down(){
	if (parseInt(navigator.appVersion)>3) {
		if (navigator.appName=="Netscape") {
			offset_x = 0;
			offset_y = 53;
		}
		if (navigator.appName.indexOf("Microsoft")!=-1) {
			offset_x = document.getElementById('Navigation').offsetLeft+document.getElementById('Nav').offsetLeft;
			offset_y = document.getElementById('Navigation').offsetTop+53;
		}
	}
	document.getElementById('menu1').style.left = document.getElementById('Home').offsetLeft+offset_x+"px";
	document.getElementById('menu1').style.top = document.getElementById('Home').offsetTop+offset_y+"px";
	document.getElementById('menu2').style.left = document.getElementById('Stay_Informed').offsetLeft+offset_x+"px";
	document.getElementById('menu2').style.top = document.getElementById('Stay_Informed').offsetTop+offset_y+"px";
	document.getElementById('menu3').style.left = document.getElementById('Ask_Doctor').offsetLeft+offset_x+"px";
	document.getElementById('menu3').style.top = document.getElementById('Ask_Doctor').offsetTop+offset_y+"px";
	document.getElementById('menu4').style.left = document.getElementById('News').offsetLeft+offset_x+"px";
	document.getElementById('menu4').style.top = document.getElementById('News').offsetTop+offset_y+"px";
	document.getElementById('menu5').style.left = document.getElementById('Member').offsetLeft+offset_x+"px";
	document.getElementById('menu5').style.top = document.getElementById('Member').offsetTop+offset_y+"px";
	document.getElementById('menu6').style.left = document.getElementById('You_Can_Help').offsetLeft+offset_x+"px";
	document.getElementById('menu6').style.top = document.getElementById('You_Can_Help').offsetTop+offset_y+"px";
}