var page;

function show_img(name,type,id){
	if(name){
		document.getElementById('pro_img').style.display = 'block';
		document.getElementById('pro_show').style.display = 'none';
		document.getElementById('pro_img_src').src = 'upload/'+type+'/pro/p'+name;
		document.getElementById('propage').style.display = 'none';
		document.getElementById('imgpage').style.display = 'block';
		page = id;
	}else{
		document.getElementById('pro_img').style.display = 'none';
		document.getElementById('pro_show').style.display = 'block';
		document.getElementById('pro_img_src').src = '';
		document.getElementById('imgpage').style.display = 'none';
		document.getElementById('propage').style.display = 'block';
	}
}

function imgpage(imgnum,style){
	var img,cu_img,imgname,type;
	if(style=='down'){
		if(page == imgnum){
			//page = 1;
			document.getElementById('pro_img').style.display = 'none';
			document.getElementById('pro_show').style.display = 'block';
			document.getElementById('pro_img_src').src = '';
			document.getElementById('imgpage').style.display = 'none';
			document.getElementById('propage').style.display = 'block';
		}else{
			page++;
		}
	}
	if(style=='up'){
		if(page == 1){
			//page = imgnum;
			document.getElementById('pro_img').style.display = 'none';
			document.getElementById('pro_show').style.display = 'block';
			document.getElementById('pro_img_src').src = '';
			document.getElementById('imgpage').style.display = 'none';
			document.getElementById('propage').style.display = 'block';
		}else{
			page--;
		}
	}
	img = document.getElementById('img_src_'+page).src;
	cu_img = img.split('/');
	imgname = cu_img[cu_img.length-1];
	type = cu_img[cu_img.length-3];
	document.getElementById('pro_img_src').src = 'upload/'+type+'/pro/p'+imgname;
}