function myVars_set(myvar,val,doNotSubmit){ eval("document.myVars."+myvar+".value='"+val+"'");if(!doNotSubmit){document.myVars.submit();}}
function myVars_clear(myvar,val,doNotSubmit){ eval("document.myVars."+myvar+".value=''");if(!doNotSubmit){document.myVars.submit();}}
function myVars_inv(myvar,doNotSubmit){ if(eval("document.myVars."+myvar+".value")=='true'){val='false'}else{val='true'};eval("document.myVars."+myvar+".value='"+val+"'");if(!doNotSubmit){document.myVars.submit();}}
function myVars_post(){ document.myVars.submit();}