/**startmarquee(roll-height,speed,delay,div-tag);**/ 
function startmarquee(lh, speed, delay, index) {
	var t;
	var p = false;
	var o = document.getElementById("marqueebox" + index);
	o.innerHTML += o.innerHTML;
	o.onmouseover = function() {
		p = true
	}
	o.onmouseout = function() {
		p = false
	}
	o.scrollTop = 0;
	function start() {
		t = setInterval(scrolling, speed);
		if (!p)
			o.scrollTop += 2;
	}
	function scrolling() {
		if (o.scrollTop % lh != 0) {
			o.scrollTop += 2;
			if (o.scrollTop >= o.scrollHeight/2)
				o.scrollTop = 0;
		} else {
			clearInterval(t);
			setTimeout(start, delay);
		}
	}
	setTimeout(start, delay);
}
//最新供求的tab页
function setTab01Syn(i){
	selectTab01Syn(i);
}
function selectTab01Syn(i){
	var tab1 = document.getElementById("TabTab01Con1");
	var tab2 = document.getElementById("TabTab01Con2");
	if (tab1 && tab2){
		switch(i){
		case 1:
		document.getElementById("TabTab01Con1").style.display="block";
		document.getElementById("TabTab01Con2").style.display="none";
		break;
		case 2:
		document.getElementById("TabTab01Con1").style.display="none";
		document.getElementById("TabTab01Con2").style.display="block";
		break;
		}
	}
}
//热门产品和分类的tab页
function showTab(ID) { 
	  for(var i=1;i<=2;i++) { 
		if(ID==i) { 
		  if ($('Tab_'+i)) $('Tab_'+i).className='on'; 
		  if ($('cont_'+i)) $('cont_'+i).style.display=''; 
		} 
		else { 
		  if ($('Tab_'+i)) $('Tab_'+i).className='off'; 
		  if ($('cont_'+i)) $('cont_'+i).style.display='none'; 
		} 
	  } 
	} 
	function $(ID) { 
	  return document.getElementById(ID); 
	}