function bus(url) {
	mapwin=window.open(url,"bus","width=680,height=600,scrollbars=yes,resizable=yes");mapwin.focus()
}
function students(url) {
	mapwin=window.open(url,"students","width=590,height=705,scrollbars=yes,resizable=no");mapwin.focus()
}
function special(url) {
	specialwin=window.open(url,"special2","width=620,height=600,scrollbars=yes,resizable=yes");specialwin.focus()
}
function popup(url) {
	specialwin=window.open(url,"popup","width=680,height=680,scrollbars=yes,resizable=yes");specialwin.focus()
}
function full(_url, wid, hei){
	var w = screen.width;
	var h = screen.height;
	var windowSize = "width=" + w + ",height=" + h ;
	var newwin = window.open(_url,"newwin","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=yes," + windowSize);
	newwin.moveTo(0,0);
}