function checkmail(e)
{
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,5}|\d+)$/i
	return emailfilter.test(e);
}

function checknum(e)
{
	var emailfilter=/^[0-9]*$/i
	return emailfilter.test(e);
}

function checkprice(e)
{
	var emailfilter=/^\d{1,20}(\.\d{1,2})?$/
	if	(e == "")
		return false;
	else
		return !emailfilter.test(e);
}

function checkenglish(e)
{
	var filter=/^[a-z]+[\w\_]*$/i
	return filter.test(e);
}

function goURL(url)
{
	window.location.target="_blank";
	window.location.href = url;
}

function checkcolor(e)
{
	var filter=/^[0-9]*$/i
	return filter.test(e);
}

function checkUploadSize(uploadFile, Maxsize)
{
	if (uploadFile != "")
	{
		var webbrower = navigator.appName;
		var tempSize;
		var ieversion;
		var tempType = uploadFile.value.substring(uploadFile.value.lastIndexOf('.') + 1);
		
		if (webbrower == "Microsoft Internet Explorer")
		{
			if (/MSIE (\d+\.\d+);/.test(navigator.userAgent))
			{ //test for MSIE x.x;
				ieversion = new Number(RegExp.$1) // capture x.x portion and store as a number
				//alert(ieversion);
			
				/*if (ieversion >= 7)
				{
					var oas = new ActiveXObject("Scripting.FileSystemObject");
					var d = document.form.shopbanner.value;
					var e = oas.getFile(d);
					var f = e.size;
					alert(f + " bytes");
				}
				else*/ if (ieversion >= 6)
				{
					var image=new Image();　　
					image.dynsrc = uploadFile.value;　　
					tempSize = image.fileSize;
				}
			}

			if (tempSize > Maxsize)
			    return upload_error[1];
			else if (tempType.toUpperCase() != "JPG" && tempType.toUpperCase() != "GIF")
			    return upload_error[2];
			//alert(tempSize);
		}
		else
		{
		    tempSize = uploadFile.files[0].fileSize;
			if (tempSize > Maxsize)
			    return upload_error[1];
			else if (tempType.toUpperCase() != "JPG" && tempType.toUpperCase() != "GIF")
			    return upload_error[2];
			//alert(tempSize);
		}
		
		return "";
	}
	return "";
}

function setCookie(c_name,value,expiredays)
{
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value) + ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function getCookie(c_name)
{
	if (document.cookie.length>0)
	{
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1)
		{
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end=document.cookie.length;
				return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return "";
}