if (document.all) {browser = true; is_gecko=false;}
		else browser = false;

if (!browser) is_gecko=(navigator.userAgent.toLowerCase().indexOf('gecko')!=-1)
		
var visible_ = ((browser || is_gecko)?"visible":"show");
var hidden_ = ((browser || is_gecko)?"hidden":"hide");

function getObject( name ) {
	
	if (!is_gecko){var str = "document."+(browser?"all('":"layers['")+name+( browser? "').style" : "']" );
 var object_Lay=eval(str);}
else {var temp_obj=document.getElementById(name);
		object_Lay=temp_obj.style;}
			return object_Lay;
                          }

function div_show (nameDiv){
getObject(nameDiv).visibility=visible_;
}

function div_hide (nameDiv){
getObject(nameDiv).visibility=hidden_;
}