function setTab(tab){
	var tabstr = 'tab_';
	var tabs = document.getElementById('tab').childNodes;
	var num;
	for(num=0; num<tabs.length; num++) {
		var idstr = document.getElementById('tab').childNodes[num].id;
		if (idstr != null && idstr.search(/^tab_/) != -1) {
			if (tabstr + tab == idstr) {
				document.getElementById(idstr).className='select';
			}else{
				document.getElementById(idstr).className=null;
			}
		}
	}

	var searches = document.getElementById('additionalSearchBox').childNodes;
	var searchstr = 'search_';
	
	for(num=0; num<searches.length; num++) {
		idstr2 = document.getElementById('additionalSearchBox').childNodes[num].id;
		if (idstr2 != null && idstr2.search(/^search_/) != -1) {
			if (searchstr + tab == idstr2) {
				document.getElementById(idstr2).style.display='block';
			}else{
				document.getElementById(idstr2).style.display='none';
			}
		}
	}
	
}