function ChangeSearch(myAction,myClass) {

//        alert(document.s1.action); 
	document.getElementById('s1_web').className='inactive';
	document.getElementById('s2_web').className='inactive';
	document.getElementById('s1_news').className='inactive';
	document.getElementById('s2_news').className='inactive';
	document.getElementById('s1_images').className='inactive';
	document.getElementById('s2_images').className='inactive';
	document.getElementById('s1_videos').className='inactive';
	document.getElementById('s2_videos').className='inactive';

	if (myAction == 'news') { 	
		document.s1.action = 'newssearch.php';
		document.s2.action = 'newssearch.php';
		document.getElementById('s1_news').className = 'active';
		document.getElementById('s2_news').className = 'active';}
	else if (myAction == 'images') { 
		document.s1.action = 'imagesearch.php';
		document.s2.action = 'imagesearch.php';
		document.getElementById('s1_images').className = 'active';
		document.getElementById('s2_images').className = 'active';}
	else if (myAction == 'videos') { 
		document.s1.action = 'videosearch.php';
		document.s2.action = 'videosearch.php';
		document.getElementById('s1_videos').className = 'active';
		document.getElementById('s2_videos').className = 'active';}
	else {  document.s1.action = '/';
		document.s2.action = '/';
	  	document.getElementById('s1_web').className = 'active';
	  	document.getElementById('s2_web').className = 'active';}

	}