function changeForm(button1,button2,visiblediv,hiddendiv)
{
	b1=document.getElementById(button1);
	b2=document.getElementById(button2);
	b1span=document.getElementById(button1+'_span');
	b2span=document.getElementById(button2+'_span');
	b1.className='whiteText';
	b2.className='grayText';
	b1span.className='admin_lang';
	b2span.className='admin_lang_unactive';
	visdiv = document.getElementById(visiblediv);
	visdiv.style.display='inline';
	hiddiv = document.getElementById(hiddendiv);
	hiddiv.style.display='none';
	
}