function my_display(thiscontent) {

document.getElementById([thiscontent]+"_text").className="selected";
document.getElementById([thiscontent]+"_text").style.display="block"; 
 
 if (thiscontent!='online') {document.getElementById('online_text').style.display="none"; }
 if (thiscontent!='onscreen') {document.getElementById('onscreen_text').style.display="none"; }
 if (thiscontent!='onstage') {document.getElementById('onstage_text').style.display="none"; }
 if (thiscontent!='onpaper') {document.getElementById('onpaper_text').style.display="none"; }
 
document.getElementById([thiscontent]+"_title").className = "over"; 

 if (thiscontent!='online') {document.getElementById('online_title').className = '' }
 if (thiscontent!='onscreen') {document.getElementById('onscreen_title').className = '' }
 if (thiscontent!='onstage') {document.getElementById('onstage_title').className = '' }
 if (thiscontent!='onpaper') {document.getElementById('onpaper_title').className = '' }
 }

window.addEvent('domready', function(){

$('online_title').addEvent('mouseover', function(e){
	my_display('online');
});

$('onscreen_title').addEvent('mouseover', function(e){
	my_display('onscreen');
});

$('onstage_title').addEvent('mouseover', function(e){
	my_display('onstage');
	onstageSlide.slideIn(); 
});

$('onpaper_title').addEvent('mouseover', function(e){
	my_display('onpaper');
});

my_display('online');	

});