function butdown(layer){
   var myLayer=document.getElementById(layer).className;
   if(myLayer=="butinactive"){
       document.getElementById(layer).className="butactive";
   } else { 
       document.getElementById(layer).className="butinactive";
       }
}

function customertype(layer){
   var myLayer=document.getElementById(layer).className;
   if(myLayer=="customeroff"){
       document.getElementById(layer).className="customeron";
   } else { 
       document.getElementById(layer).className="customeroff";
       }
}

function showlayer(layer){
	var myLayer=document.getElementById(layer).style.display;
	if(myLayer=="none"){
		document.getElementById(layer).style.display="block";
	} else { 
		document.getElementById(layer).style.display="none";
		}
}


function toggleBox(szDivID, iState)
{
    if(document.layers)	
    {
       document.layers[szDivID].display = iState ? "show" : "hide";
    }
    else if(document.getElementById)
    {
        var obj = document.getElementById(szDivID);
        obj.style.display = iState ? "block" : "none";
    }
    else if(document.all)
    {
        document.all[szDivID].style.display = iState ? "block" : "none";
    }
}