//已经选择的产品数量
var sel_num = 0;

//最多能选择的产品数
var max_sel_num = 9;

//已经选择的产品名
var sel = new Array();
var proName = new Array();



function  auto_exe_gotopage(pagenumText){
	if (pagenumText != null && pagenumText.value <= 0) {
		alert("页数要大于零！");
		return false;
	}

	if (pagenumText != null && !numericCheck_csy(pagenumText)) {
		return false;
	}
	
	// 翻页
	auto_exe_functionb(pagenumText.value);

	

}


function auto_exe_functionb(pagenum){

		
	var 	selid="";
	var 	proNameString="";
	
		for(i = 0; i < sel_num; i++)
    {
        selid += sel[i] + ",";
        proNameString += proName[i] + ",";
    }
		
		document.formotherpage.hidSelProductNum.value=document.form1.hidSelProductNum.value;
		document.formotherpage.hidSelProductInfo.value=selid;
		document.formotherpage.hidSelProductName.value=proNameString;
	    document.formotherpage.pagenum.value=pagenum;	   
		document.formotherpage.submit();
		//var submiturl;
		//submiturl="productlist.jsp?"+param+"&hidSelProductInfo="+selid+"&hidSelProductName="+proNameString+"&hidSelProductNum="+document.form1.hidSelProductNum.value+orderpara;
		//window.location.href=submiturl;
	//alert(submiturl);	
		return ;
}


function auto_exe_functionorderby(orderfield,ordermode){		
	var 	selid="";
	var 	proNameString="";
	
		for(i = 0; i < sel_num; i++)
    {
        selid += sel[i] + ",";
        proNameString += proName[i] + ",";
    }
    
		
		document.formotherpage.hidSelProductNum.value=document.form1.hidSelProductNum.value;
		document.formotherpage.hidSelProductInfo.value=selid;
		document.formotherpage.hidSelProductName.value=proNameString;
	    document.formotherpage.pagenum.value=1;	        
	    document.formotherpage.orderfield.value=orderfield;
	        document.formotherpage.ordermode.value=ordermode;
	        
		document.formotherpage.submit();
		//window.location.href=submiturl;
	//alert(submiturl);	
		return ;
}


function auto_exe_functionview_type(view_type){
		
	var 	selid="";
	var 	proNameString="";
	
	for(i = 0; i < sel_num; i++)
    {
        selid += sel[i] + ",";
        proNameString += proName[i] + ",";
    }    
		
	document.formotherpage.hidSelProductNum.value=document.form1.hidSelProductNum.value;
	document.formotherpage.hidSelProductInfo.value=selid;
	document.formotherpage.hidSelProductName.value=proNameString;
	document.formotherpage.view_type.value=view_type;
	document.formotherpage.submit();
	return ;
}




//吴加 选择产品，当state为true时，添加产品，为false时，删除产品
function updatecheck(value, name,state)
{
    
    if (state)
    {
    add(value,name);
    }
    else
    {
    del(value);
    }
 
}



//选择产品比较, value:所选择的产品ID
function add(value, name)
{
    for(i = 0; i < sel_num; i++)
    {
        if(sel[i] == value)
        {
//            alert(value + " 已选择！");
            alert(name + " 已选择！");
            break;
        }
    }

    if(i == sel_num)
    {
        if(sel_num >= max_sel_num)
        {
            alert("最多只能有" + max_sel_num + "款参加比较！");
        }

        else
        {
            sel[sel_num] = value;
            proName[sel_num] = name;
            sel_num++;
            draw();
        }
    }
}

//从已选的产品列表中去掉某产品, value:所选择的产品ID
function del(value)
{
    i = 0;
    while(sel[i] != value)
        i++;

    for(j = i; j < sel_num; j++) {
        sel[j] = sel[j + 1];
        proName[j] = proName[j + 1];
    }

    sel_num--;
    draw();
}

//显示已选的产品的列表
function draw()
{
    out = '';
    for(i = 0; i < sel_num; i++)
    {
         out += "<font color=red size=1><b>|</b></font><br>" +
            " <input type=button  " +
            " name = 'btn" + i + "'" +
//            " value='" + sel[i] + "' " +
            " value='" + proName[i] + "' " +
            " style='border:1px solid;border-color:red ;" +
            " background-color:white;height:24;width:120;' " +
//            " onclick='del(this.value)';cursor:hand;color:'black';><br>" ;
            " onclick='del(" + sel[i] + ")';cursor:hand;color:'black';><br>" ;
    }

    com_item.innerHTML = out;
    document.form1.hidSelProductNum.value = sel_num;

}

//提交
function selectSubmit()
{
    for(i = 0; i < sel_num; i++)
    {
        document.form1.hidSelProductInfo.value += sel[i] + ",";
        document.form1.hidSelProductName.value += proName[i] + ",";
    }

    //document.form1.submit();
}



function whatIS(FileName) {
 var win =  window.open(FileName, "解释含义" , "scrollbars=yes,width=460,height=200"); 
}