function Checkform()
{
	if (document.messageform.cname.value =="" ){
		alert ("Please input the name！");
		document.messageform.cname.focus();
		return false;
	}
	if (document.messageform.content.value.length =="" ){
		alert ("Please input the content！");
		document.messageform.content.focus();
		return false;
	}
	if (document.messageform.content.value.length < 2 ){
		alert ("The content isn't less 2 Character ！");
		document.messageform.content.focus();
		return false;
	}
	if (document.messageform.content.value.length > 2000){
		alert ("The content isn't more 2000 Character!");
		document.messageform.content.focus();
		return false;
	}
 }