function navclick( url ) {
	window.location.href = url;
}

function rowUpBg(row,down) {
	var cells=new Array("a","b","c","d","t","y","z"); var y;
	var color;
	if (down) color='#FFFFFF'; else color='#FFFFDD';
	for (y=0; y<7; y++) {
		if (document.getElementById(cells[y]+row)) document.getElementById(cells[y]+row).style.backgroundColor = color;
	}
}