function changeimage()
				{
				  document.myform.pic.value=document.myform.Image.value;
				  document.myform.showimages.src='{$GetInstallDir}Images/Face/'+document.myform.Image.value+'.gif';
				}
				function guestpreview()
				{
				  document.preview.content.value=document.myform.GuestContent.value;
				  var popupWin = window.open('GuestPreview.asp', 'GuestPreview', 'scrollbars=yes,width=620,height=230');
				  document.preview.submit();
				}
				function datacheck()
				{  
					if (myform.Subject.value==""){
					alert("留言主题一定要填写！");
					myform.Subject.focus();
					return false;
					}
					if (myform.Name.value==""){
					alert("你好像还忘了填昵称哦！");
					myform.Name.focus();
					return false;
					}
					
					
					
					{$CheckCode}
					if (frames["Content"].CurrMode!='EDIT') {alert('其他模式下无法保存，请切换到设计模式');return false;}
                    document.myform.Memo.value=frames["Content"].KS_EditArea.document.body.innerHTML;
					if (myform.Memo.value==""){
					alert("留言还没写呢，这样可不行哦！！");
					return false;
					}
				
				}
				function checktext(text)
				{
						allValid = true;
						for (i = 0;  i < text.length;  i++)
						{
							if (text.charAt(i) != " ")
							{
								allValid = false;
								break;
							}
						}
				return allValid;
				}
				
				
                 function DoTitle(addTitle) { 
				 var revisedTitle; 
				 var currentTitle = document.myform.Subject.value; 
				 revisedTitle = addTitle+currentTitle; 
				 document.myform.Subject.value=revisedTitle; 
				 document.myform.Subject.focus(); 
				 return; 
				 }