function newstab(n) {
	var newstab1=document.getElementById('newstab1');
	var newstab2=document.getElementById('newstab2');
	var newstab3=document.getElementById('newstab3');
	
	document.getElementById('newsandimg1').style.display='none';
	document.getElementById('newsandimg2').style.display='none';
	document.getElementById('newsandimg3').style.display='none';
	newstab1.className='out out_right';
	newstab2.className='out out_right';
	newstab3.className='out out_right';
	switch (n)
	{
		case 1:
			newstab1.className='over';
			document.getElementById('newsandimg1').style.display='block';
			
			newstab1.background = "images/index_061.gif";
			newstab2.background = "images/index_030.gif";
			newstab3.background = "images/index_030.gif";
			break;
		case 2:
			document.getElementById('newsandimg2').style.display='block';
			
			newstab2.background = "images/index_061.gif";
			newstab1.background = "images/index_030.gif";
			newstab3.background = "images/index_030.gif";
			break;
			case 3:
			document.getElementById('newsandimg3').style.display='block';
			
			newstab2.background = "images/index_030.gif";
			newstab1.background = "images/index_030.gif";
			newstab3.background = "images/index_061.gif";
			
			break;
	
	}
}
function searchtab(n) {
	var schtab1=document.getElementById('sch_tab1');
	var schtab2=document.getElementById('sch_tab2');

	switch (n)
	{
		case 1:
			schtab1.className='sover';
			schtab2.className='sout sout_right';
			document.getElementById('sch_tab_con1').style.display='block';
			document.getElementById('sch_tab_con2').style.display='none';
			break;
		case 2:
			schtab2.className='sover';
			schtab1.className='sout sout_left';
			document.getElementById('sch_tab_con2').style.display='block';
			document.getElementById('sch_tab_con1').style.display='none';
			break;		
	}
}

function bigimgchg(n) {
	var bm1=document.getElementById('bimgli1');
	var bm2=document.getElementById('bimgli2');
	
	document.getElementById('bigimg1').style.display='none';
	document.getElementById('bigimg2').style.display='none';
	
	bm1.className='';
	bm2.className='';
	switch (n)
	{
		case 1:
			bm1.className='liover';
			document.getElementById('bigimg1').style.display='block';
			break;
		case 2:
			document.getElementById('bigimg2').style.display='block';
			bm2.className='liover';
			break;
	
	}
}