var page=1, next=2, prew=0;

function SetTimelinePage(number){
	if (number!=page){
		document.getElementById(page).className='timeline_item';
		document.getElementById(number).className='timeline_selected';
		if (number==1){
			document.getElementById('prew').className='hide_arrow';
			document.getElementById('next').className='show_arrow';
		}
		else{
			if (number==pages){
				document.getElementById('next').className='hide_arrow';
				document.getElementById('prew').className='show_arrow';
			}
			else{
				document.getElementById('next').className='show_arrow';
				document.getElementById('prew').className='show_arrow';
			}
		}
		page=number;
		next=page+1;
		prew=page-1;
	}
	$.get("/index.php?id="+pageid[number-1], function PrintTimelineData(data){
												document.getElementById('timeline_data').innerHTML=data;
												h = document.getElementById('timeline_data').offsetHeight;
												if (h < 485)
													h = 485;
												document.getElementById('content_main').style.height = h+80+'px';
												document.getElementById('text_block_main').style.height = h+40+'px';
											});


}