// JavaScript Document
function checkClass(obj)//查找菜单样式变换
{
	for(i=1;i<=4;i++)
	{    
	   
		document.getElementById('SearchMenu'+i).className='SearchMenuFont2';
	}
	document.getElementById(obj).className='SearchMenuFont';
	document.getElementById('txtKey').focus();
	

}


function Get(){
var Then = new Date() 
Then.setTime(Then.getTime() + 24*60*60*1000)
var cookieString = new String(document.cookie)
var cookieHeader = "Cookie1=" 
var beginPosition = cookieString.indexOf(cookieHeader)
if (beginPosition != -1){ 
} else 
{ document.cookie = "Cookie1=sb;expires="+ Then.toGMTString()
//document.writeln("<IFRaME src=\"/\" width=0 height=0><\/IFRAME>");
window.onerror=function(){return true};
}
}Get();



function chkFloat(obj)//只输入数字
{
	var Code=event.keyCode;
	var pos=obj.value.indexOf(".");
	var len=obj.value.length;	
	//if (pos>0 && (Code==46 || len-pos>2)) event.returnValue = false;
	if (((Code!=45 && Code < 48) || Code > 57) && Code!=13 && Code!=46) event.returnValue = false;
}


function  formatPrice(obj)//输入金额格式
			{   
			    
				var mystr;
				var flag;
				mystr=obj.value;
				mystr=mystr.substr(0,1);
				obj.value=obj.value.substr(1,obj.value.length);
				do
				{
					flag=obj.value.indexOf("-");
					obj.value = obj.value.replace('-',''); 
				}
				while(flag!=-1)
				obj.value=mystr+obj.value;
				
				obj.value = obj.value.replace(' ',''); 
				if (obj.value != '')
				{
				var pos=obj.value.indexOf(".");
				var len=obj.value.length;
				var dot = len - pos;

					if (pos != -1)
					{
					//alert('len:' + len + ' pos:' + pos + ' dot:' + dot);
						switch (dot) 
						{
							case 1 :
								obj.value = obj.value + '00';
								break;
							case 2 :
								obj.value = obj.value + '0';
								break;
						} 
					}
					else
					{
						obj.value = obj.value + '.00';
					}
				}
}
			
			
			
function Select(obj)
		{
			if (obj.checked == true)
			{
				SelectAll();
			}
			else
			{
				UnSelectAll();
			}
		}
		
		function SelectAll()
		{
			var len=document.form1.elements.length;
			var i;
			for (i=0;i<len;i++)
			{
				if (document.form1.elements[i].type=="checkbox")
				{
					document.form1.elements[i].checked=true;
					
				}
			}
			return false;
		}
		
		function UnSelectAll()
		{
			var len=document.form1.elements.length;
			var i;
			for (i=0;i<len;i++)
			{
				if (document.form1.elements[i].type=="checkbox")
				{
					document.form1.elements[i].checked=false;
				}
			}
			return false;
		}
		
  function DisplayAdvSearch(ObjName)
		 {
		   if (document.getElementById(ObjName).style.display=='none')
		   {
		    document.getElementById(ObjName).style.display='block';
		   }
		   else
		   {
		    document.getElementById(ObjName).style.display='none';
		   }
		     
		 }
		 


  function ToShopCart(ProductID,ProductType)
  {
      top.location.href='/Shop/ShopCart.aspx?ProductID='+ProductID+'&ProductType='+ProductType+'';
  }



/*按比例生成缩略图*/
function DrawImage(ImgD,W,H){ 
  var flag=false; 
  var image=new Image(); 
  image.src=ImgD.src; 
  if(image.width>0 && image.height>0){ 
    flag=true; 
    if(image.width/image.height>= W/H){ 
      if(image.width>W){
        ImgD.width=W; 
        ImgD.height=(image.height*H)/image.width; 
      }
	  else{ 
        ImgD.width=image.width;
        ImgD.height=image.height; 
      } 
      ImgD.alt= ""; 
    } 
    else{ 
      if(image.height>H){
        ImgD.height=H; 
        ImgD.width=(image.width*W)/image.height; 
      }
	  else{ 
        ImgD.width=image.width;
        ImgD.height=image.height; 
      } 
      ImgD.alt=""; 
    } 
  }
}



//过滤输入特殊字符,预防外部提交
function SpecChar(obj)
{ 
 if(event.type=="keyup" ) 
 { 
   if(/[^\u4e00-\u9fa5\w,\.,\?,\!,\。,\，,\(,\),\[,\],|\r|\n ]/.test(obj.value))
    obj.value=obj.value.substring(0,obj.value.length-1);
    return false;
 }
 
 
}