// sz
function chgclass(a,b){var c=document.getElementById(a);c.className=b}function disselect(a,b){if(b==1){state=false}else{state=true}var c=document.getElementById(a);c.disabled=state}function divtoggle(a){var b=document.getElementById(a).style;if((b.display=='none')|(b.display=='')){b.display='block'}else{b.display='none'}}function divtogglevis(a){var b=document.getElementById(a).style;if((b.visibility=='hidden')|(b.visibility=='')){b.visibility='visible'}else{b.visibility='hidden'}}function divtogglevison(a){var b=document.getElementById(a).style;b.visibility='visible'}function divtogglevisof(a){var b=document.getElementById(a).style;b.visibility='none'}function divtogglbin(a,b){var c=document.getElementById(a).style;c.display='none';var d=document.getElementById(b).style;d.display='block'}