function fade_on(div_id)
{
	
	if (navigator.userAgent.toLowerCase().indexOf("msie") != -1)
		document.getElementById(div_id).style.filter="alpha(opacity=100)";
	else if (navigator.userAgent.toLowerCase().indexOf("safari") != -1)				
		document.getElementById(div_id).style.opacity = 1;
	else if (navigator.userAgent.toLowerCase().indexOf("mozilla/5.0") != -1)
		document.getElementById(div_id).style.MozOpacity=1; //NS6 syntax
	
}
	
function fade_off(div_id)
{
	
	if (navigator.userAgent.toLowerCase().indexOf("msie") != -1)
		document.getElementById(div_id).style.filter="alpha(opacity=60)";
	else if (navigator.userAgent.toLowerCase().indexOf("safari") != -1)						
		document.getElementById(div_id).style.opacity = 0.6;
	else if (navigator.userAgent.toLowerCase().indexOf("mozilla/5.0") != -1)
		document.getElementById(div_id).style.MozOpacity=0.6; //NS6 syntax
	
}