var ti_pro;
	var ti_arc;
	var ti_hom;
	
	clearInterval(ti_pro);
	clearInterval(ti_arc);
	clearInterval(ti_hom);
	
	var wait = 5000;
	
	/*var num_pro = 2;
	var num_arc = 2;
	var num_hom = 2;*/
	
	
	
	var cur_pro = 0;
	var cur_arc = 0;
	var cur_hom = 0;
	
	function startNews1() {
		ti_pro=setInterval('swap_pro()',wait);
	}
	function startNews2() {
		ti_arc=setInterval('swap_arc()',wait);
	}
	function startNews3() {
		ti_hom=setInterval('swap_hom()',wait);
	}
	
	function stopNews1() {
		clearInterval(ti_pro);
	}
	function stopNews2() {
		clearInterval(ti_arc);
	}
	function stopNews3() {
		clearInterval(ti_hom);
	}
	
	
	function swap_pro() {
		
		$('#pro').scrollTo( '+=120px', 800 );
		cur_pro++;
		if (cur_pro == num_pro) {
			$('#pro').scrollTo( '0px', 0 );
			cur_pro = 0;
		}
	}
	
	function swap_arc() {
		
		$('#arc').scrollTo( '+=120px', 800 );
		cur_arc++;
		if (cur_arc == num_arc) {
			$('#arc').scrollTo( '0px', 0 );
			cur_arc = 0;
		}
	}	
			
	function swap_hom() {
		
		$('#hom').scrollTo( '+=120px', 800 );
		cur_hom++;
		if (cur_hom == num_hom) {
			$('#hom').scrollTo( '0px', 0 );
			cur_hom = 0;
		}
	}