function schaltan(idname) { 
document.getElementById(idname).style.display = "block"; 
} 

function schaltaus(idname) { 
document.getElementById(idname).style.display = "none"; 
} 

function changepic(idname, picsrc) {
document.getElementById(idname).src = picsrc;
}

function changetext(idname, textsrc) {
document.getElementById(idname).innerHTML = textsrc;
}

function changebg(idname, bgsrc) {
document.getElementById(idname).style.backgroundImage = bgsrc;
}

function changebgcolor(idname, bgcolorsrc) {
document.getElementById(idname).style.backgroundColor = bgcolorsrc;
}

function changecolor(idname, colorsrc) {
document.getElementById(idname).style.color = colorsrc;
}

function changeborder(idname, bordersrc) {
document.getElementById(idname).style.border = bordersrc;
}

var such;
		
function suche()
	{
	if(such)
	{   
	schaltaus('hauptmenu');
	such = false;
	}
	else
	{
	schaltan('hauptmenu');
	such = true;
	}
	}

var inf;
		
function info()
	{
	if(blog)
	{
	schaltaus('infobloghaupt');
	schaltan('infoboxhaupt');
	blog = false;
	inf = true;
	}
	else if(inf)
	{   
	schaltaus('infoboxhaupt');
	inf = false;
	}
	else
	{
	schaltan('infoboxhaupt');
	inf = true;
	}
	}	

var blog;
		
function blogroll()
	{
	if(inf)
	{
	schaltaus('infoboxhaupt');
	schaltan('infobloghaupt');
	blog = true;
	inf = false;
	}
	else if(blog)
	{   
	schaltaus('infobloghaupt');
	blog = false;
	}
	else
	{
	schaltan('infobloghaupt');
	blog = true;
	}
	}