var pageAmount = 0;
	
	function pageControl(){
		var thePageForm = document.getElementById("pageForm")?document.getElementById("pageForm"):document.forms[0];
		var firHref = "<a href='#' onclick='return firPage();'>首页</a>&nbsp;";
		var firNoHref = "首页&nbsp;";
		var preHref = "<a href='#' onclick='return prePage();'>上一页</a>&nbsp;";
		var preNoHref = "上一页&nbsp;";
		var nexHref = "<a href='#' onclick='return nexPage();'>下一页</a>&nbsp;";
		var nexNoHref = "下一页&nbsp;";
		var endHref = "<a href='#' onclick='return endPage();'>尾页</a>&nbsp;";
		var endNoHref = "尾页&nbsp;";
		if (thePageForm.curPage.value == pageAmount){
	      	if (pageAmount==1){
	      		var html = firNoHref+preNoHref+nexNoHref+endNoHref;
	      		document.getElementById("tPageHerf").innerHTML = html;
		 	
	      	} else {
	      	
	      		var html = firHref+preHref+nexNoHref+endNoHref;
	      		document.getElementById("tPageHerf").innerHTML = html;
				
	      	}
      	} else if (thePageForm.curPage.value == 1){
      	
      		if (thePageForm.curPage.value<pageAmount){
      		
	    		var html = firNoHref+preNoHref+nexHref+endHref;
	      		document.getElementById("tPageHerf").innerHTML = html;
	      		
	      	} else {
	      	
	      		var html = firNoHref+preNoHref+nexNoHref+endNoHref;
	      		document.getElementById("tPageHerf").innerHTML = html;
	      	
	      	}
      	} else {
      	
      			var html = firHref+preHref+nexHref+endHref;
	      		document.getElementById("tPageHerf").innerHTML = html;
	      		
      	}	
	}

	function prePage(){
		var thePageForm = document.getElementById("pageForm")?document.getElementById("pageForm"):document.forms[0];
		thePageForm.curPage.value--;
		thePageForm.submit();	
		return false;
	}

	function nexPage(){
		var thePageForm = document.getElementById("pageForm")?document.getElementById("pageForm"):document.forms[0];
		thePageForm.curPage.value++;
		thePageForm.submit();
		return false;
	}

	function firPage(){
		var thePageForm = document.getElementById("pageForm")?document.getElementById("pageForm"):document.forms[0];
		thePageForm.curPage.value= 1;
		thePageForm.submit();	
		return false;
	}

	function endPage(){
		var thePageForm = document.getElementById("pageForm")?document.getElementById("pageForm"):document.forms[0];
		thePageForm.curPage.value= pageAmount;
		thePageForm.submit();
		return false;
	}

	function changePage(pageSize){
		var thePageForm = document.getElementById("pageForm")?document.getElementById("pageForm"):document.forms[0];
	  thePageForm.curPage.value= 1;
	  thePageForm.pageSize.value = pageSize.value;
	}

	function initPageSize(){
		var thePageForm = document.getElementById("pageForm")?document.getElementById("pageForm"):document.forms[0];
		try{
			thePageForm.pageSize1.value = thePageForm.pageSize.value;
		}catch(e){}
	}

	function showSearch(obj){  
	  
	  document.all.searchmenu.style.display='';
	  document.all.hide.style.display='';
	  document.all.show.style.display='none';
	  
	}

	function hideSearch(obj){  
	  document.all.searchmenu.style.display='none';
	  document.all.show.style.display='';
	  document.all.hide.style.display='none';
	  
	  
	}

	function changeSearch(){
		var thePageForm = document.getElementById("pageForm")?document.getElementById("pageForm"):document.forms[0];
		thePageForm.curPage.value= 1;
		
		thePageForm.submit();
	}


	function clearSearch(){
		var thePageForm = document.getElementById("pageForm")?document.getElementById("pageForm"):document.forms[0];
		thePageForm.curPage.value= 1;
        for(var i=0;i<document.forms.length;i++)
        {
	       var f=document.forms[i];
	       for(var j=0;j<f.elements.length;j++)
	       {
		      var e=f.elements[j]; 		
		       if(e.type != "button" && e.type != "submit" && e.type != "reset" && e.type!="radio" && e.type!="hidden")
		       {
			      e.value = "";
			
		        } 
	        }
         }
	}