function changeSearchTab( selected ) {
	if( !selected ) selected = 1;
	
	t = new Array( 3 );
	t[1]	= document.getElementById( "option1" );
	t[2] 	= document.getElementById( "option2" );
	t[3] 	= document.getElementById( "option3" );
	
	t[selected].blur();		
	for( i = 1; i <= 3; i++ ) {
		t[i].className			= null;
	}
	t[selected].className		= "selected";

	saveSearchTab( selected );
	
	searchForm     = document.getElementById( "search" );
	if( selected == 1 ) searchForm.action = "/opiskele/etsi/?Submit=Etsi";
	if( selected == 2 ) searchForm.action = "/salpaus/yleista/yhteystiedot/henkilohaku/";
	if( selected == 3 ) searchForm.action = "/salpaus/sisaltohaku/"; 
}

function saveSearchTab( value ) {
	 var today	= new Date();
	 var expire	= new Date();
	 var name	= "searchtab";
	 expire.setTime( today.getTime() + 3600000*24 );
	 document.cookie = "searchtab=" + value + ";path=/;expires = "+expire.toGMTString();
}

function getSearchTab() {
	 var store		= document.cookie;
	 var startP		= store.indexOf( "searchtab" );
	 if( startP > -1 ) {
		 var endP = store.indexOf( ';', startP );
		 if( endP == -1 ) endP = store.length;
		 return unescape( store.substring( startP + 9 + 1, endP ) );
	} else {
	  	return 0;
	}
}

function fixIESubmit() {
	searchForm     = document.getElementById( "search" );
	submitVal = document.createElement( "input" );
	submitVal.type	= "hidden";
	submitVal.id	= "Submit";
	submitVal.name	= "Submit";
	submitVal.value	= "Etsi";
	searchForm.appendChild( submitVal );
}

if( document.all ) {
	document.body.onload = function() {
		fixIESubmit();
		changeSearchTab( getSearchTab() );
	}
} else if( document.getElementById ) {
	changeSearchTab( getSearchTab() );
	fixIESubmit();
}