function nxtStp(step){
	bf = document.bagfinder;
	bf.step.value = step;
	bf.submit();
}
function construction(we){
	bf = document.bagfinder;
	if(we == true && bf.a.checked == true){
		alert('You must uncheck "Auto Construction" before checking "Welded Seam"');
		return false;
	}else if(we == false && bf.we.checked == true){
		alert('You must uncheck "Welded Seam" before checking "Auto Construction"');
		return false;
	}else
		return true;
}
function handle(hdl){
	bf = document.bagfinder;
	if(hdl == 'c'){
		bf.n.checked = false;
		bf.loops.checked = false;
	}else if(hdl == 'n'){
		bf.c.checked = false;
		bf.loops.checked = false;
	}else if(hdl == 'loops'){
		bf.c.checked = false;
		bf.n.checked = false;
	}
}