var styles = [ "80%" , "100%" , "120%" , "140%" ,"160%", "180%"];
var style = 2;

function changestyle(l_direction)
	{
	if ( ( style > 1 ) && ( l_direction == -1 ) ) { style --; }
	if ( ( style < 6 ) && ( l_direction == 1 ) ) { style ++; }
	document.getElementById("clems").style.fontSize = styles[style-1];
	}