function up(obj)  { oldClass=obj.className; obj.className='over'; }
function out(obj) { obj.className=oldClass; }

function swapContent(target) {
    var el = document.getElementsByTagName('div');
	for(i=0; i<el.length; i++)
	 {
	  if(el[i].id.substring(0,4)=='tab_')
	   {
	    el[i].className = 'tab';
	    el[i].style.display = 'block';
	   }	
	  if(el[i].id.substring(0,8)=='content_')
	   el[i].style.display = 'none';
	 }
	document.getElementById('tab_'+target).className = 'tab tabs';
	document.getElementById('content_'+target).style.display = 'block';
	
}

function swapSearchOptions(target) {
    var el = document.getElementsByTagName('div');
	for(i=0; i<el.length; i++)
     if(el[i].id.substring(0,4)=='src_')
	  el[i].style.display = 'none';
	document.getElementById('src_'+target).style.display = 'block';
}