function addPhoto(val){		
	var firstPhoto = Oslide.num*many+1;			
	many += parseInt(2*val);
	if(many<2) many = 2;
	var n = ss("#movingPart li");
	var m = ss("#movingPart li img");
	var i=0;
	var k=0;
	while(n[i]){
		n[i].innerHTML = "";
		var j=0;
		while(m[k]){
			if(j>=many) break;
			n[i].appendChild(m[k]);
			j++;
			k++;
		}
		n[i].style.height = (110*many/2)+"px";
		i++;
	}
	$("slide").style.height = (110*many/2)+"px";
	Oslide.direct(Math.floor(firstPhoto/many));
	if(m.length%many==0) Oslide.limit = Math.floor(m.length/many);
	else Oslide.limit = Math.floor(m.length/many)+1;
	var n = ss("#gallery .leftBtn");
	var m = ss("#gallery .rightBtn");
	n[0].style.marginTop = m[0].style.marginTop = (55*many/2-18)+"px";
	setCookie("topicGallery",many,365);
}
function towhere(val){
	if((val==1 && (Oslide.num+1)<Oslide.limit) || val==-1 && Oslide.num>0 ){
		var m = Oslide.move(val);
		if(Oslide.limit==m) m = 0;
	}
}
window.onload=function(){
	var result = ww(document.body,'.preview');
	var i=0;
	while(result[i]){
		result[i].onmouseover = function(){previewOver(this);};
		result[i].onmouseout  = function(){previewOut();};
		i++;
	}
	var result = ww(document.body,'.previewBlog');
	var i=0;
	while(result[i]){
		result[i].onmouseover = function(){previewOver(this);};
		result[i].onmouseout  = function(){previewOut();};
		i++;
	}
}
//video
var videoNum = 1;
function showVideo(val){
	videoNum += val;
	var n = ss("#videoList li");
	if(videoNum>=0 && videoNum<n.length){
		var i=0;
		while(n[i]){
			if(i==videoNum){ 
				if(n[i-1]) n[i-1].className = "first";
				n[i].className = "second";
				if(n[i+1]) n[i+1].className = "third";
			}else if(i>(videoNum+1) || i<(videoNum-1)){
				n[i].className = "none";
			}
			i++;
		}
		VideoOver();
	}else videoNum -= val;	
}
function VideoOver(){
	var n = ss("#videoList .second img");	
	n[0].onmouseover = function(){
		var pos = findPos($("videoList"));
		$("play_btn").style.left = (pos[0]+113)+"px";
		$("play_btn").style.top = (pos[1]+31)+"px";		
		$("play_btn").style.display = "block";
		sobj = this;
	}
	n[0].onmouseout = function(){
		$("play_btn").style.display = "none";
	}
	var n = ss("#videoList .first img");
	if(n[0]) n[0].onmouseover = null;
	var n = ss("#videoList .third img");
	if(n[0]) n[0].onmouseover = null;
}
//share article
var setT = null;
var setP = null;
var index = null;
function Zover(val){
	index = val;
	setT = window.setTimeout("Xover()",400);
	if(setP) clearTimeout(setP);
}
function Xout(){
	if(setT) clearTimeout(setT);
	setP = window.setTimeout("hide()",700);
}
function Xover(){
	var pos = findPos($("btnB"+index));	
	$("shBox").style.left = (pos[0]-17)+"px";
	$("shBox").style.top = (pos[1]+17)+"px";
	$("shBox").style.display = "block";
}
function hide(){
	$("shBox").style.display = "none";
}
function Tover(){
	if(setP) clearTimeout(setP);
}
function sArticle(site){
	shareArt(site,index);	
}
function shareArticle(site,obj){
	var val = obj.parentNode.id.substr(2);
	shareArt(site,val);
}
function shareArt(site,val){
	var m = ss("#mainBody >li");
	var n = ww(m[val], "h2 a");	
	shareUrl = escape(n[0].href);
	shareTitle = encodeURIComponent(n[0].innerHTML);
	var n = ww(m[val], ".summary p");
	shareDescription = encodeURIComponent(n[0].innerHTML);
	shareContent(site);		
}
function shareContent(site){
	switch (site) {		
		case "digg":
			pop('http://digg.com/remote-submit?phase=2&url='+shareUrl+'&title='+shareTitle+'&bodytext='+shareDescription,'digg','toolbar=no,resizable=yes,scrollbars=yes,width=700,height=400');
			break;		
		case "delicious":
			pop('http://del.icio.us/post?tags=test&v=4&noui&jump=close&url='+shareUrl+'&title='+shareTitle+'&notes='+shareDescription+'&tags=', 'delicious','toolbar=no,resizable=yes,scrollbars=yes,width=700,height=400');
			break;		
		case "facebook":
			pop('http://www.facebook.com/sharer.php?u=' + shareUrl + '&t=' + shareTitle, 'facebook', 'toolbar=0,status=0,height=436,width=646,scrollbars=yes,resizable=yes');
			break;		
		case "stumbleit":
			pop('http://www.stumbleupon.com/submit?url=' + shareUrl + '&title=' + shareTitle, 'stumbleupon', 'toolbar=0,status=0,height=436,width=646,scrollbars=yes,resizable=yes');
			break;	
		case "myspace":
			pop('http://www.myspace.com/Modules/PostTo/Pages/?t='+shareTitle+'&c='+shareDescription+'&u='+shareUrl,'myspace','toolbar=no,resizable=yes,scrollbars=yes,width=700,height=400');
			break;
		case "linkedin":
			pop('http://www.linkedin.com/shareArticle?mini=true&url='+shareUrl+'&title='+shareTitle+'&summary='+shareDescription+'&source=The Christianp Post','Linkedin','toolbar=no,resizable=yes,scrollbars=yes,width=700,height=400');
			break;
		case "yahoobuz":
			pop('http://buzz.yahoo.com/buzz?targetUrl='+shareUrl,'yahoobuz','toolbar=yes,location=1,resizable=yes,scrollbars=yes,width=700,height=400');
			break;
		case "mixx":
			pop('http://mini.mixx.com/submit/story?page_url='+shareUrl+'&title='+shareTitle+'&description='+shareDescription,'mixx','toolbar=no,resizable=yes,scrollbars=yes,width=700,height=400');
			break;
		case "newsvine":
			pop('http://www.newsvine.com/_tools/seed&save?u='+shareUrl+'&h='+shareTitle, 'newsvine', 'toolbar=0,status=0,height=445,width=650,scrollbars=yes,resizable=yes');
			break;		
		case "twitter":
			pop('http://twitter.com/home?status='+shareTitle+' - '+shareUrl, 'twitter', 'toolbar=0,status=0,height=445,width=650,scrollbars=yes,resizable=yes');
			break;		
		case "reddit":
			pop('http://reddit.com/submit?url='+shareUrl+'&title='+shareTitle, 'reddit', 'toolbar=0,status=0,height=445,width=650,scrollbars=yes,resizable=yes');
			break;	
		case "blogger":
			pop('http://www.newsvine.com/_tools/seed&save?u='+shareUrl+'&h='+shareTitle, 'blogger', 'toolbar=0,status=0,height=445,width=650,scrollbars=yes,resizable=yes');
			break;		
		case "wordpress":
			pop('http://twitter.com/home?status='+shareTitle+' - '+shareUrl, 'wordpress', 'toolbar=0,status=0,height=445,width=650,scrollbars=yes,resizable=yes');
			break;		
		case "G-bookmarks":
			pop('http://www.google.com/bookmarks/mark?op=edit&bkmk='+shareUrl+'&title='+shareTitle, 'G Bookmarks', 'toolbar=0,status=0,height=445,width=650,scrollbars=yes,resizable=yes');
			break;	
		case "live":
			pop('http://favorites.live.com?quickadd.aspx?mkt=en-us&url='+shareUrl+'&title='+shareTitle, 'Live', 'toolbar=0,status=0,height=445,width=650,scrollbars=yes,resizable=yes');
			break;		
		case "technorati":
			pop('http://www.technorati.com/faves?add='+shareUrl, 'Technorati', 'toolbar=0,status=0,height=445,width=650,scrollbars=yes,resizable=yes');
			break;							
	}
}