function showSelectBoxes(){selects=document.getElementsByTagName("select");for(i=0;i!=selects.length;i++){selects[i].style.visibility="visible";}}
function hideSelectBoxes(){selects=document.getElementsByTagName("select");for(i=0;i!=selects.length;i++){selects[i].style.visibility="hidden";}}
var Myurl="";var win2="";function popUpCenteredWindow(url,MyW,MyH,bar)
{var iMyWidth;var iMyHeight;var MyNewW=MyW;var MyNewH=MyH;var MyBar;Myurl=url;if(MyW==0)
{MyNewW=440;}
if(MyH==0)
{MyNewH=340;}
if(MyW==1)
{MyNewW=(window.screen.width-50);}
if(MyH==1)
{MyNewH=(window.screen.height-90);}
if(bar==0)
{MyBar='no';}
else
{MyBar='yes';}
iMyWidth=(window.screen.width/2)-((MyNewW/2)+10);iMyHeight=(window.screen.height/2)-((MyNewH/2)+50);win2=window.open(url,'NewWin','height='+MyNewH+',width='+MyNewW+',resizable=no,left='+iMyWidth+',top='+iMyHeight+',screenX='+iMyWidth+',screenY='+iMyHeight+',scrollbars='+(MyBar)+'');}
function closeWin()
{if(window.win2&&!win2.closed)
{win2.close();}
else
{return true;}}