// JavaScript Document
<!-- start Javascript
//function ChangeImgValue(img,num){
//        form1.img.value = num;
//   } 
function ImgCheck(Fname,Iname1,Iname2) {
	//if (document.Product_Form.x_img1.value.length > 1)
	if (eval("document." + Fname + "." + Iname1).value.length > 1)	
		{
			alert("请先清除已有图片!");
			//Fname.elements[Iname1].focus() 
			return false; 
		}
	else
		{
//window.open("2.html",null,"width=80,height=70,toolbar=no,status=no,menubar=no")
		window.open("/_upload/Market_UpFiles.asp?formname=" + Fname + "&editname=" + Iname1 + "&imagename=" + Iname2 + "&uppath=../_UploadImages/Product",null,"status=no,scrollbars=no,top=20,left=110,width=420,height=165")
		}
	return true;
}


function ImgDel(Fname,Iname1,Iname2) {
	var ImgDel_Url	
	if (eval("document." + Fname + "." + Iname1).value.length> 1)	
		{
		ImgDel_Url=eval("document." + Fname + "." + Iname1).value
		window.open("/_upload/ClearImg.asp?ImgUrl=" + ImgDel_Url + "&editname=" + Iname1 + "&formname=" + Fname + "&imagename=" + Iname2,null,"status=no,scrollbars=no,top=0,left=0,width=0,height=0")
		////eval("document." + Fname).action='/_upload/ClearImg.asp?formname='+Fname+'&editname='+Iname1+'&imagename='+Iname2;
		//eval("document." + Fname).encoding='application/x-www-form-urlencoded';
		////eval("document." + Fname).method='post'
		////eval("document." + Fname).target='_blank';
		////eval("document." + Fname).submit();
	
	}
	else
	{
		alert("未上传图片,无需清除!");
			//Fname.elements[Iname1].focus() 
		return false; 
	}
	return true;
}

//代码：某条件下，禁止关闭和跳转、刷新
function window.onbeforeunload()
{
	if (document.all.x_upload.value == 1)
		{
			//alert("您刚上传新图片，还未提交保存，确定离开本页面吗？");	
			window.event.returnValue="您刚上传新图片，还未提交保存，确定离开本页面吗？";
			//window.event.returnValue=false;
			//new   ActiveXObject("WScript.Shell").sendKeys("{ESC}");  
		}
}
//function window.onunload()
//{
//
//df_DeleteFile()
//
//}
//代码一：无条件，仅禁止关闭
//function window.onbeforeunload()
//	{	
//	if (event.clientX>document.body.clientWidth && event.clientY<0||event.altKey)
//		{
//			window.event.returnValue="如果您刚更新或上传图片而未提交，请提交保存，不要直接关闭。";
//		}
//	}
//代码二：禁止跳出对话框
//window.onbeforeunload=function() { if (event.ctrlKey) { return; }else{ alert("to do"); } }
// end Java script -->