// open the window for downloading materials

function Start(page,pagname,w, h) {
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',toolbar=no,menubar=no,location=no,scrollbars=yes,resizable=yes';
	OpenWin = this.open(page, pagname, winprops);
}

// validate form for downloading materials

function chkflds() {
        if (document.entryform.city.value== "") {
                window.alert("You need to enter your city.");
                document.entryform.city.focus();
                return false;
        } 
        if (document.entryform.country.value== "") {
                window.alert("You need to enter your country.");
                document.entryform.country.focus();
                return false;
        } 
        if (document.entryform.state.value== "") {
			if (document.entryform.country.value== "United States of America") {
                window.alert("You need to select your state.");
                document.entryform.state.focus();
                return false;
			}
        } 
    return true;
}