function next(loc){
location.
href=loc;
}
function toggle(tgt){
if(document.getElementById(tgt).style.display=='none'){
	document.getElementById(tgt).style.display='block'
	}else{	
	document.getElementById(tgt).style.display='none'
	}
}
function hand(tgt){
	tgt.style.cursor='pointer';
}
function setForm(tgt,num){
	selHeight = tgt.options.length
	if(tgt.options.selectedIndex==1){
		toggle('add'+num+'_serial')
		document.getElementById('aio_serial').style.display='block'
	}else{
	document.getElementById('add'+num+'_serial').style.display='none'
	}
	//alert('print'+num+'_add')
	if(tgt.options.selectedIndex!=4){
	document.getElementById('print_add'+num).style.display='block'
	}
}