/**
*加载新闻列表
*/

var newsArray=[];
jQuery(function(){jQuery.ajax({
                    type: "GET",
                    url: "http://www.saicmg.com/events/xunzhan/data/news.xml",
                    dataType: "xml",
                    data: "",                
                    success: function(data) {             
                       jQuery(data).find('news').each(function(){								 
								  var t={};
								  t.id      = jQuery(this).find('id').text();
								  t.title   = jQuery(this).find('title').text();
								  t.date    = jQuery(this).find('date').text();
								  t.src     = jQuery(this).find('src').text();
								  t.content = jQuery(this).find('content').text(); 							
								  newsArray.push(t);								  
						});
					   //var focusArray=[];
					   /*jQuery(data).finc('focusNews').each(function(){
								  var t={};
								  t.id      = jQuery(this).find('id').text();
								  t.title   = jQuery(this).find('title').text();
								  t.date    = jQuery(this).find('date').text();
								  t.src     = jQuery(this).find('src').text();
								  t.content = jQuery(this).find('content').text(); 							
								  focusArray.push(t);		
												 });*/
					   switch(act){
						      case 'shortList':
							        shortList();
							       break;
							  case 'lists':
							        showPages();
							       break;
							  case 'content':
							        showContent();
							       break;
								   default:
								      alert('no act');
						   }
					      
                          }
						  
						  
                    });});	  

//显示短的新闻列表
function shortList(){
	var arrStr=['<table width="100%" border="0" cellspacing="0" cellpadding="0" style="line-height:25px;"> <tr><td height="22"></td></tr>'];
	var newslength=6;//设置页面
	for(var i=0,j=j=newsArray.length < newslength?newsArray.length:newslength; i<j;i++){
		 arrStr.push('<tr><td align="left"><a href="content.html?id='+newsArray[i].id+'" class="link3" ><div style="width:595px;padding-left:30px;float:left;"><div style="margin-top:7px;float:left;"><img src="images/dian.gif" border="0" /></div><div style="padding-left:8px;float:left;">'+newsArray[i].title+"...</div></div><div style='width:70px;float:left;cursor:pointer'>["+newsArray[i].date+']</div></a></td></tr>');
		}
	    arrStr.push('</table>');
   jQuery('#lists').html(arrStr.join(''));
}
//显示分页新闻列表 
var curPageN=0;
function showPages(n){
	
	var pageN=n||1;
	var lists=10;//显示几条列表
	var pagesArr=Math.ceil(newsArray.length/lists);
	var arrStr=['<table width="963" border="0" cellspacing="0" cellpadding="0" style="line-height:22px;"><tr><td colspan="3">&nbsp;</td></tr>'];
	curPageN+=pageN;
	//补空白
	var num=0;
	for(var i=(curPageN-1)*lists,j=curPageN*lists>newsArray.length?newsArray.length:curPageN*lists; i<j;i++)
	{
	   arrStr.push('<tr><td width="30">&nbsp;</td><td colspan="3" align="left" valign="top" class="title_xian"><a href="content.html?id='+newsArray[i].id+'" class="link3" ><div style="width:780px;float:left;cursor:pointer"><div style="position:absolute;margin-top:7px;"><img src="images/dian.gif" border="0" /></div><div style="padding-left:8px;">'+newsArray[i].title+"...</div></div><div style='width:60px;float:right;cursor:pointer'>["+newsArray[i].date+']</div></a></td><td width="30"></td></tr>');	
	   num++;
	}
	for(var i=0,j=(lists-num); i<j;i++){
		arrStr.push('<tr><td width="30">&nbsp;</td><td colspan="2" align="left" valign="top"></td></tr>');	
		}
	arrStr.push('<tr><td align="right"></td><td width="700" height="60" align="right" valign="bottom" >');
	
	if(newsArray.length > lists){
	//上一页
	if(curPageN >1){
	   arrStr.push('<a href="javascript:;" onclick="showPages(-1)" class="link1" ><img src="images/font_3.gif" border="0" /></a>');
	}else{
	    arrStr.push('<a href="javascript:;" class="link1"><img src="images/font_3.gif" border="0" /></a>');
		}
	//当前页和总数
	    arrStr.push(curPageN+'/'+pagesArr);
	//下一页
	if(curPageN < pagesArr ){
		arrStr.push('<a href="javascript:;" onclick="showPages(1)" class="link1" ><img src="images/font_4.gif" border="0" /></a>');
		}else{
			arrStr.push('<a href="javascript:;" class="link1" ><img src="images/font_4.gif" border="0" /></a>');
			}
	}
	arrStr.push('</td><td width="30" align="right">&nbsp;</td></tr><tr><td colspan="3">&nbsp;</td></tr></table>');
    jQuery('#lists').html(arrStr.join(''));
}
//显示新闻详细内容
function showContent(){
	   var jQuerycontent
	   var id=getParam('id');
	   //console.debug(id);
	   for(var i=0,j=newsArray.length;i<j;i++){
		        if(newsArray[i].id==id){
					  jQuerycontent=newsArray[i];
					  break;
					}
		   }
	   jQuery('#news_title').html(jQuerycontent.title);
	   jQuery('#news_content').html(jQuerycontent.content);
	}
  /**
   *  截取URL尾巴参数值
   *
   * @param String argname-----参数名称            
   * @return String
   */
function getParam(argname){
        var url = document.location.href;
        var arrStr = url.substring(url.indexOf("?")+1).split("&");
        for(var i =0;i<arrStr.length;i++){
            var loc = arrStr[i].indexOf(argname+"=");
            if(loc!=-1){
              return arrStr[i].replace(argname+"=","").replace("?","");
            }  
         }
       return "";
    }
/**
*加载焦点新闻
*/
function shwoFocus(){
	console.log(focusArray);
	}
/*
*加载图片
*/
/*
function showPics(n,cityid,cateid){
	 var picArr=[];
	 jQuery.getJSON('photos.php?act=thumb',{page:n,city_id:cityid,cate_id:cateid},function(json)
	 {
		if(json.result!='n'){
picArr.push('<table width="310" border="0" cellspacing="0" cellpadding="0"><tr>  <td height="55" colspan="2">&nbsp;</td>  <td width="25">&nbsp;</td></tr><tr>  <td colspan="2" align="right">当前站：');
picArr.push(json.city);
picArr.push('</td>  <td>&nbsp;</td></tr><tr>  <td height="25" colspan="2">&nbsp;</td>  <td>&nbsp;</td></tr><tr>  <td colspan="2"><table width="100%" border="0" cellspacing="0" cellpadding="0"><tr>  <td height="86" valign="top"><div style="width:114px; padding-left:27px; margin-top:4px; float:left">');
if(json.data[0].path){ picArr.push('<img src="'+json.data[0].path+'" width="108" height="67" />');}
picArr.push('</div><div style="width:114px; padding-left:27px; margin-top:4px; float:left">');
if(json.data[1].path){ picArr.push('<img src="'+json.data[1].path+'" width="108" height="67" />');}
picArr.push('</div></td></tr>  </table> <table width="100%" border="0" cellspacing="0" cellpadding="0"><tr>  <td height="86" valign="top"><div style="width:114px; padding-left:27px; margin-top:4px; float:left">');
if(json.data[2].path){ picArr.push('<img src="'+json.data[2].path+'" width="108" height="67" />');}
picArr.push('</div><div style="width:114px; padding-left:27px; margin-top:4px; float:left">');
if(json.data[3].path){ picArr.push('<img src="'+json.data[3].path+'" width="108" height="67" />');}
picArr.push('</div></td></tr> </table> <table width="100%" border="0" cellspacing="0" cellpadding="0"><tr>  <td height="86" valign="top"><div style="width:114px; padding-left:27px; margin-top:4px; float:left">');
if(json.data[4].path){ picArr.push('<img src="'+json.data[4].path+'" width="108" height="67" />');}
picArr.push('</div><div style="width:114px; padding-left:27px; margin-top:4px; float:left">');
if(json.data[5].path){ picArr.push('<img src="'+json.data[5].path+'" width="108" height="67" />');}
picArr.push('</div></td></tr> </table></td>  <td>&nbsp;</td></tr><tr>  <td width="237">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;');
picArr.push(json.currentPage+'/'+json.totalPages);
picArr.push('</td><td width="48">');
if((json.currentPage-1)>0){picArr.push('<a href="javascript:;" onClick="showPics('+(json.currentPage-1)+','+cityid+','+cateid+')"><img src="images/font_1.gif" width="20" height="20" border="0" /></a>');}else{picArr.push('<img src="images/font_1.gif" width="20" height="20" border="0" />');}
if(json.currentPage+1<=json.totalPages){picArr.push('<a href="javascript:;"  onClick="showPics('+(json.currentPage+1)+','+cityid+','+cateid+')" ><img src="images/font_2.gif" width="20" height="20" border="0" /></a>');}else{picArr.push('<img src="images/font_2.gif" width="20" height="20" border="0" />');}
picArr.push('</td><td>&nbsp;</td></tr></table>');
            jQuery('#showPics').html(picArr.join(''));
			}else{
				alert('加载图片失败');
				}																	   
});
}*/