var curtab = $('sahtab1');

function sahTabClick(a) {
	// a is a link element
	if (!a) return;
	
	n = a.id.match(/\d+$/);
	
	$('sahImage').className = 'sah'+n;
	
	for (i=1; i<=3; i++) {
		name    = 'sahcontent'+i;
		e       = $(name);
		tabname = 'sahtab'+i;
		t       = $(tabname);
		if (i == n) {
			e.className = 'pageContent';
			if (i == 3) {
				//CSBfleXcroll(name+'body');
			}
			t.className = 'sahtab clicked';
			curtab = t;
		}
		else {
			e.className = 'sahcontentOffscreen';
			t.className = 'sahtab';
		}
	}
}

function sahTabOver(a) {
	// a is a link element
	if (!a) return;
	
	if (a != curtab) a.className = 'sahtab clicked';
}

function sahTabOut(a) {
	// a is a link element
	if (!a) return;
	
	if (a != curtab) a.className = 'sahtab';
}