function trim(chars){while(chars.charAt(0)==' '){chars=chars.substring(1);}
while(chars.charAt(chars.length-1)==' '){chars=chars.substring(0,chars.length-1);}
return chars;}
function setFocus(field){if(field.focus){field.focus();}
if(field.select){field.select();}}
function getElement(elemID){var obj
if(document.all){obj=document.all(elemID);}else if(document.getElementById){obj=document.getElementById(elemID);}else if(document.layers){obj=document.layers[elemID];}
return obj;}
function selectAdd(select,option,position){if(isIE()){select.options.add(option,position);}else{select.add(option,select.options[position]);}}
function isIE(){return(navigator.appName=="Microsoft Internet Explorer");}
function submitForm(form,url){form.action=url;form.submit();}