function showbrowse() {

	document.getElementById('tab_browse').style.display='block';
	document.getElementById('tab_vendors').style.display='none';
	document.getElementById('tab_browse_btn').className='active';
	document.getElementById('tab_vend_btn').className='';		
}

function showvend() {
	document.getElementById('tab_browse').style.display='none';
	document.getElementById('tab_vendors').style.display='block';
	document.getElementById('tab_browse_btn').className='';
	document.getElementById('tab_vend_btn').className='active';

}