function ChangeState(oChk) 
{ 
	if(oChk.checked)
	{
		eval("Send.style.display=\"\";");		    
	}
	else
	{  
		eval("Send.style.display=\"none\";");
	}
}
function CheckSubject()
{ 
	if (trim(form.txtBizSub.value).length<=0)
	{
		alert("请填写商机主题！");
		form.txtBizSub.focus();
		return false;
	}
	
	if (trim(form.txtBizkeyword.value).length<=0)
	{
		alert("请填写关键字！");
		form.txtBizkeyword.focus();
		return false;
	}
	if(form.ddlFid.value.substring(4) == "00")
	{
		alert("请选择正确的类别!");				
		return false;
	}
	editor.data();
	if(trim(editor.data()).replace("<div>&nbsp;</div>","").length<=0)
	{
		alert("请填写详细说明！")
		return false;
	}	
	if(trim(form.txtPricInfo.value).length>0 & trim(form.txtUnit.value).length<=0)
	{
		alert("请填写计量单位！");
		form.txtUnit.focus();
		return false;
	}
	if(form.txtPricInfo.value.length>0)
		{
			var digits="0123456789";
			var values=trim(form.txtPricInfo.value);
			var sLength=values.length;
			var pos= values.indexOf(".");
			if(sLength>3)
			{						
				if(pos>0)
				{
					if(sLength-pos!=3)
					{
						alert("价格格式错误!");
						form.txtPricInfo.focus();
						return false;
					}
				}
				else
				{
					alert("价格格式错误!");
					form.txtPricInfo.focus();
					return false;
				}
			}
			else
			{
				alert("价格格式错误!");
				form.txtPricInfo.focus();
				return false;
			}
			for(var i=0;i<sLength;i++)
			{
				if(i!=pos)
				{
					var c=values.charAt(i);
				
					if (digits.indexOf(c)==-1)
					{
						alert("价格必须为数字!");
						form.txtPricInfo.focus();
						return false;
					}
				}
			}
		}
	if(trim(form.txtPricInfo.value).length<=0)
	{
		if(form.ckIsShowPric.checked==true)
		{
			alert("填写价格后才能选择显示价格!");
			form.txtPricInfo.focus();
			return false;
		}
	}
	if(form.ckIsSend.checked)
	{  alert(0);
		if(trim(form.txtMinOrder.value).length<=0)
		{
			alert("请填写最小起定量!");
			form.txtMinOrder.focus();
			return false;
		}
		if(trim(form.txtMaxNum.value).length<=0)
		{
			alert("请填写最大供应量!");
			form.txtMaxNum.focus();
			return false;
		}
	}
	
	var curlenintro = document.getElementById("txtDefine").value.replace(/[^\x00-\xff]/g,"**").length;
	
	if (curlenintro>1000)
	{alert("详细说明长度不能超过500个汉字或1000个英文字母,目前的长度为"+curlenintro);form.txtDefine.focus();return false;}
	
	}
	function changeimg()
	{
		if(trim(form.File1.value).length>0)
		{
			var ImgReg = /(.+)(.jpg|.gif)$/;
			if(!ImgReg.test(form.File1.value.toLowerCase()))
			{
				alert("图片格式错误,请选择上传jpg或gif格式的图片!");
				form.File1.focus();
				return false;
			}
			else
				form.imges.src=trim(form.File1.value);
		}
	}
	function trim(str) {
		return str.replace(/(^\s*)|(\s*$)/g,"");
	}