function check_search(fName)
{var Form=fName?document.forms[fName]:document.search;if(Form&&Form.words.value.match(/\S/g)&&Form.words.value!=' ')
{Form.submit();}
else
{return false;}}
function check_enter_key(evt,fName)
{evt=(evt)?evt:event;var charCode=(evt.charCode)?evt.charCode:((evt.keyCode)?evt.keyCode:((evt.which)?evt.which:0));if(charCode==13)
{if(!check_search(fName))
{return false;}}
else
{return true;}}