function makefont(fontsize){document.body.style.fontSize=parseFloat(fontsize)+"px";}
// search
function check_enter(form,event){var key_code = event.keyCode;if (key_code == 13){go_search(form);}}
function go_search(form){if (form.q.value!=""){document.location="http://www.hr.hku.hk/search/?s="+form.q.value;}return false;}
function type_search(ele){ele.style['background']='#FFFFFF';}
function end_type_search(ele){if (ele.value==""){ele.style['background']="url(http://www.hr.hku.hk/images/search_google.gif) no-repeat #FFFFFF 3px 3px;";}}
// job specific
function visibleToggle(ele,img){ele=document.getElementById(ele);img=document.getElementById(img);if (ele.style.display=="none"){ele.style.display="";img.src="page.files/minus.png";}else{ele.style.display="none";img.src="page.files/plus.png";}}
function highlightTableRows(tbl){var tbl=document.getElementById(tbl);if(tbl!=null){for(ii=1;ii<tbl.rows.length;ii++){var ttr=tbl.rows[ii];ttr.onmouseover=function(){this.className='rowA';};if(ii%2==1){ttr.className='row2';ttr.onmouseout=function(){this.className='row2';};}else{ttr.className='row1';ttr.onmouseout=function(){this.className='row1';};}}}}