function checkVal() {
var SongVal = "e0";

	if(document.songForm.e1.checked)
			SongVal = SongVal + ",e1";
	if(document.songForm.e2.checked)
			SongVal = SongVal + ",e2";
	if(document.songForm.e3.checked)
			SongVal = SongVal + ",e3";
	if(document.songForm.e4.checked)
			SongVal = SongVal + ",e4";
	if(document.songForm.e5.checked)
			SongVal = SongVal + ",e5";
	if(document.songForm.e6.checked)
			SongVal = SongVal + ",e6";
	if(document.songForm.e7.checked)
			SongVal = SongVal + ",e7";
	if(document.songForm.e8.checked)
			SongVal = SongVal + ",e8";
	if(document.songForm.e9.checked)
			SongVal = SongVal + ",e9";
	if(document.songForm.e10.checked)
			SongVal = SongVal + ",e10";
	if(document.songForm.e11.checked)
			SongVal = SongVal + ",e11";
	if(document.songForm.e12.checked)
			SongVal = SongVal + ",e12";

	document.songForm.list.value = SongVal;
	return true;
		
}