/* 首页脚本 */

window.onerror = checkError;    
	function checkError(){   
		arglen = arguments.length;   
	    var errorMsg = "参数个数：" + arglen + "个";   
	    for(var i=0;i<arglen;i++){   
	    	errorMsg += "\n参数" + (i+1) + "：" + arguments[i];   
	    }   
	//    alert(errorMsg);   
	    window.onerror = null;   
	    return false;   
	}   
	
	/* 去掉左右空格 */
	String.prototype.trim = function() { 
		return this.replace(/(^\s*)|(\s*$)/g, ""); 
	}

	function show_news(n)
	{		
		for(i=1;i<3;i++)
			document.getElementById("news_"+i).style.display="none";
			
		document.getElementById("news_"+n).style.display="block";
	}
	
	function show(n)
	{		
		for(i=1;i<5;i++)
			document.getElementById("pic_"+i).style.display="none";
			
		document.getElementById("pic_"+n).style.display="block";
	}