function SearchControl()
 {
   var ac;
   var op;
   var url;
 };
 SearchControl.prototype.ini = function()
 {
   this.ac='';
   this.op='';
   this.url='index.php';
 };
 //切换TAB
 SearchControl.prototype.switchTab = function(tab_val)
 {
	$('#tab_value').val(tab_val);
	if(tab_val=='jc')
	{
	$('#tab_jc').attr("class","search_tab_active");
	$('#tab_gys').attr("class","search_tab");
	}
	else
	{
	$('#tab_jc').attr("class","search_tab");
	$('#tab_gys').attr("class","search_tab_active");
	}
 };
 //搜索
 SearchControl.prototype.doSearch = function()
 {
	var key=$('#search_input').val();
	if(key.length<2){alert('关键字过短');return false;}
	var ac;
	if($('#tab_value').val()=='jc'){ac='search_material_top';}
	else if ($('#tab_value').val()=='gys'){ac='search_vendor';}
	else {alert('参数错误');return false;}
	
	window.location.href='?ac='+ac+'&key='+key;
 };
 //显示更多分类
 SearchControl.prototype.cateMore = function(code)
 {
	$('#message_box_content').html($('#cate_more_'+code).html());
	$('#message_box_title span').html("<a href=\'?ac=search_glj&key="+code+"\' title=\'"+$('#cate_title_'+code).text()+"\'>"+$('#cate_title_'+code).text()+"</a>");
	$('#message_box_bg').css('display','block');
 };
//隐藏
 SearchControl.prototype.hideDiv = function(id)
 {
	$('#'+id).css('display','none');
 };
 var __sc=new SearchControl();
 __sc.ini();

//回车搜索 屏蔽CTRL+N
$(document).keydown(
	function(event){
		if   ((event.ctrlKey)&&(event.keyCode==78)){return false;}   //屏蔽   Ctrl+n  

    			var keyCode = event.keyCode;  
        		if (keyCode == 13) 
						{   
            			 __sc.doSearch();  
       					 }    
					}
					);
//屏蔽右键
function click(e)
{
    if (document.all) 
	{
    	if (event.button==1||event.button==2||event.button==3) {oncontextmenu='return false';}
	}
	
    if (document.layers) 
	{
    	if (e.which == 3) {oncontextmenu='return false';}
    }
	
}
if (document.layers) {document.captureEvents(Event.MOUSEDOWN);}

    document.onmousedown=click;
    document.oncontextmenu = new Function("return false;");