function open_window(link,w,h) //opens new window
{
		var win = "width="+w+",height="+h+",menubar=no,location=no,resizable=no,scrollbars=yes";
		newWin = window.open(link,'newWin',win);
		newWin.focus();
}
function check_text()
{
 if(document.form3.keyword.value!='' && document.form3.keyword.value!='Keyword search'){
 document.form3.submit();
 return true;
 }
 else
 {
 document.form3.keyword.value='Keyword search'; 
 return false; 
 }
}