mymenus = new Array("menuwrapper1","menuwrapper2","menuwrapper3");

function drop_close(cname) {
	if (document.getElementById(cname).style.display == "block") {
		document.getElementById(cname).style.display = 'none';
		document.getElementById(cname).style.visibility = 'hidden';
		document.getElementById('img_container').style.display = 'block';
		document.getElementById('img_container').style.visibility = 'visible';
	} else {
		for(x=0;x<mymenus.length;x++) {
			mname = mymenus[x];
			if(mname == cname) {continue;}
			document.getElementById(mname).style.display = 'none';
			document.getElementById(mname).style.visibility = 'hidden';
		}
		document.getElementById(cname).style.display = 'block';
		document.getElementById(cname).style.visibility = 'visible';
		document.getElementById('img_container').style.display = 'none';
		document.getElementById('img_container').style.visibility = 'hidden';
	}
}