function $(name)
{
return document.getElementById(name);
}

function switchTab1(tabpage,tabid){            
var oItem = document.getElementById(tabpage);            
for(var i=0;i<oItem.childNodes.length;i++){	            
    if(oItem.childNodes[i].tagName == "H4"){
    var x = oItem.childNodes[i];		              
    x.className = "";
    }
}	
document.getElementById(tabid).className = "on";
	
for (var i=1;i<4;i++){	  
  var dvs=document.getElementById('dTab'+(i));
  if (('Tab'+(i))==(tabid))
    dvs.style.display='';
  else
  dvs.style.display='none';
}
}
function SUp()
{
  $('areaGallery').scrollTop -=54; 
}
function SDown()
{
  $('areaGallery').scrollTop +=54; 
}
function ShowGallery(photoId){                
    picUrl = document.getElementById(photoId).src;
    document.getElementById('showGallery').src=picUrl;
    //document.getElementById('showGalleryLink').href='/jiancai/ProductPhoto.aspx?p='+picUrl;
    //document.getElementById('areaGallery').style.top = document.getElementById('areaGallery').style.offsetTop + 53;
}

function CheckAll(thisId,thisform)
{
    var form = document.forms[thisform];
    if(form.Product != null)
    {
        if(form.Product.length != null)
        {
            for(var i=0;i<form.Product.length;i++)
            {
                form.Product[i].checked = document.getElementById(thisId).checked;
            }
        }
        
    }
    
}

function CompareProducts(thisform)
{
	/// <summary>比较产品</summary>	
	var form = document.forms[thisform];
	var products = thisProduct;
	if (form.Product != null)
	{	    
		if (form.Product.length != null)
		{
		    var max = 0;
			for (var i=0; i<form.Product.length; i++)
			{			    
				if (form.Product[i].checked)
				{
				    max += 1;
				    if(max > 4)
				    {
				        products = "";
				        alert("包括本产品只能2-5个产品进行对比");
				        return false;
				    }
					if (products != '') products += ',';
					products += form.Product[i].value;
				}				
			}
		}
		else
		{
			if (form.Product.checked)
			{
				products = form.Product.value;
			}
		}
	}
	if (products == thisProduct)
	{
	    alert('你没有选择任何一个产品!');
	    return false;	    
	}
	form.action="/jiancai/ProductCompare.aspx?products="+products;
}

    //去除空格
function Trim(str) { return str.replace(/(^\s*)|(\s*$)/g, ""); } 
function sltCityDealers(thisDdl)
{

    if(ContactNumSameBrand!=0)
        {
            for(i=0;i<ContactNumSameBrand;i++)
            {
              var myObj=$("city_"+(i+1));
              if(thisDdl[thisDdl.selectedIndex].value==0)
              {
                myObj.parentNode.style.display="block";
              }
              else
              {
                    if(Trim(myObj.innerText)==Trim(thisDdl[thisDdl.selectedIndex].innerText))
                  {

                   myObj.parentNode.style.display="block";
                  }
                  else
                  {
                  myObj.parentNode.style.display="none";
                  }
              }
            }
        }    
}