function submit_form() {
	var er = "";
	
	if ((document.frm1.print_only_when_necessary[0].checked == false) && (document.frm1.print_only_when_necessary[1].checked == false)) { er = "Please enter a value for all questions"; }
	if ((document.frm1.reducing_costs[0].checked == false) && (document.frm1.reducing_costs[1].checked == false)) { er = "Please enter a value for all questions"; }
	if ((document.frm1.environmental_concerns[0].checked == false) && (document.frm1.environmental_concerns[1].checked == false)) { er = "Please enter a value for all questions"; }
	
	if (er != "") {
		alert(er);
		return false;
	} else {
		var pages_printed_daily = document.frm1.pages_printed_daily.options[document.frm1.pages_printed_daily.options.selectedIndex].value;
		var percentage_thrown_away = document.frm1.percentage_thrown_away.options[document.frm1.percentage_thrown_away.options.selectedIndex].value;
		
		var print_only_when_necessary = "";
		if (document.frm1.print_only_when_necessary[0].checked)
			print_only_when_necessary = document.frm1.print_only_when_necessary[0].value;
		else
			print_only_when_necessary = document.frm1.print_only_when_necessary[1].value;
		
		var reducing_costs = "";
		if (document.frm1.reducing_costs[0].checked)
			reducing_costs = document.frm1.reducing_costs[0].value;
		else
			reducing_costs = document.frm1.reducing_costs[1].value;
		
		var environmental_concerns = "";
		if (document.frm1.environmental_concerns[0].checked)
			environmental_concerns = document.frm1.environmental_concerns[0].value;
		else
			environmental_concerns = document.frm1.environmental_concerns[1].value;
		
		var newWin = window.open(('calc_results.asp?q1=' + escape(pages_printed_daily) + 
			'&q2=' + escape(percentage_thrown_away) + 
			'&q3=' + escape(print_only_when_necessary) + 
			'&q4=' + escape(reducing_costs) + 
			'&q5=' + escape(environmental_concerns)), 'newWin', 'height=620,width=400,left=50,top=50,resizable,scrollbars');
		newWin.focus();
	}
}

function open_reg() {
	var newWin = window.open('registration-form.asp', 'newWin', 'height=580,width=400,left=50,top=50,resizable,scrollbars');
	newWin.focus();
}

function open_presentation() {
	var newWin = window.open('archive-presentation.html', 'newWin', 'height=630,width=725,left=50,top=50,resizable,scrollbars');
	newWin.focus();
}