// 分页控件 created by Jay.Wu

var pageOptions = null;
pageOptions = {
		isJump : true,
		isPost : true
	}
var pageUrl;
var pageNum;
var pageUtilForm = "pageUtilForm";

function turnPage(postUrl, url, page) {
	pageUrl = url;
	pageNum = page;
    
    if(page == undefined)
    {
       page = document.getElementById("numInput").value;   
    }
    
    if(isNaN(page)||page=='')
    {
       alert('请确认输入的页码为数字！') ;
       return ;     
    }
    
	if (pageOptions) 
	{
		if (pageOptions.func) {
			pageOptions.func();
		}
	
		if (pageOptions.isJump) {
			if (pageOptions.isPost) {
				document.getElementById(pageUtilForm).action = postUrl + page;
				document.getElementById(pageUtilForm).submit();
			} else {
				window.location = url + page;
			}
		}

		if (pageOptions.para) {
		}

	} else {
		window.location = url + page;
	}
}
/**ajax分页查询**/
function ajaxPage(postUrl,url,divId,page)
{	
	pageUrl = url;
	pageNum = page;
	var urlNew = url + page;
	doAjaxPageStart(urlNew,divId);
}
/**ajax分页控件提交**/
function doAjaxPageStart(url,divId)
{
	//ajax动态调用
	var xmlHttp = false;		
	var u = encodeURI(url);
	xmlHttp = createXMLHttpRequest(); 	     
	xmlHttp.open("POST", u, true);
	xmlHttp.setRequestHeader("If-Modified-Since","0"); 
	xmlHttp.onreadystatechange = function() { 		
	if (xmlHttp.readyState != 4) {
	        		return;
		}
		if (xmlHttp.status != 200) {
			        return;
		}
	   	document.getElementById(divId).innerHTML = xmlHttp.responseText;
		}	
	xmlHttp.send(null); 	
	return ;
}