//姓名 start
function doName()
		{
		
			var tbName = $("tbName").value.trim();
			$("tbName").className = "focus";
			if(tbName.length==0)
			{
				$("divName").className = "msg";
				$("divName").innerHTML = "请输入你的姓名";
				return false;
			}					
				$("divName").className = "focus";
				$("divName").innerHTML = "填写正确！";			
			return true;
		}
			function doLeaveName()
			{
				if(doName())
				{
					$("divName").className = "focus";
				}
				$("tbName").className = "tips";
			}			
//姓名 end
//电话 start
function doTel()
		{
		
			var tbTel = $("tbTel").value.trim();
			$("tbTel").className = "focus";
			if(tbTel.length==0)
			{
				$("divTel").className = "msg";
				$("divTel").innerHTML = "请输入你的电话";
				return false;
			}
			else if(!isPhone(tbTel))
			{
				$("divTel").className = "msg";
				$("divTel").innerHTML = "请输入正确的电话号码，格式:0579-88888888";
				return false;
			}
				$("divTel").className = "focus";
				$("divTel").innerHTML = "填写正确！";			
			return true;
		}
			function doLeaveTel()
			{
				if(doTel())
				{
					$("divTel").className = "focus";
				}
				$("tbTel").className = "tips";
			}			
//电话 end

//地址 start
function doAddress()
		{
		
			var tbAddress = $("tbAddress").value.trim();
			$("tbAddress").className = "focus";
			if(tbAddress.length==0)
			{
				$("divAddress").className = "msg";
				$("divAddress").innerHTML = "请输入你的地址";
				return false;
			}					
				$("divAddress").className = "focus";
				$("divAddress").innerHTML = "填写正确！";			
			return true;
		}
			function doLeaveAddress()
			{
				if(doAddress())
				{
					$("divAddress").className = "focus";
				}
				$("tbAddress").className = "tips";
			}			
//地址 end
//Email start
function doEmail()
		{
		
			var tbEmail = $("tbEmail").value.trim();
			$("tbEmail").className = "focus";
			if(tbEmail.length==0)
			{
				$("divEmail").className = "msg";
				$("divEmail").innerHTML = "请输入你的电子邮件";
				return false;
			}	
			else if(!isEmail(tbEmail))
			{
				$("divEmail").className = "msg";
				$("divEmail").innerHTML = "请输入正确的email地址";
				return false;
			}
				$("divEmail").className = "focus";
				$("divEmail").innerHTML = "填写正确！";			
			return true;
		}
function doLeaveEmail()
			{
				if(doEmail())
				{
					$("divEmail").className = "focus";
				}
				$("tbEmail").className = "tips";
			}			
//Email end

//留言内容 start
function doContent()
		{
		
			var tbContent = $("tbContent").value.trim();
			$("tbContent").className = "focus";
			if(tbContent.length==0)
			{
				$("divContent").className = "msg";
				$("divContent").innerHTML = "请输入留言内容";
				return false;
			}					
				$("divContent").className = "focus";
				$("divContent").innerHTML = "填写正确！";			
			return true;
		}
			function doLeaveContent()
			{
				if(doContent())
				{
					$("divContent").className = "focus";
				}
				$("tbContent").className = "tips";
			}			
//留言内容 end

function doCheck(thisform)
		{	
			var tbName = $("tbName").value.trim();
			if(tbName.length<=0)
			{
				alert("请输入你的姓名！");
					$("tbName").focus();
					return false;
			}	
			
			if($("tbTel") !=null)
			{
				var tbTel = $("tbTel").value.trim();
				if(tbTel.length<=0)
				{
					alert("请输入你的电话！");
						$("tbTel").focus();
						return false;
				}
				else if(!doTel())
				{
					alert("请输入正确的电话号码！");
					$("tbTel").focus();
					return false;					
				}
			}
			
			
			if($("tbAddress") !=null)
			{
				var tbAddress = $("tbAddress").value.trim();
				if(tbAddress.length<=0)
				{
					alert("请输入你的地址！");
						$("tbAddress").focus();
						return false;
				}	
			}
			
			
			if($("tbEmail") !=null)
			{
				var tbEmail = $("tbEmail").value.trim();
				if(tbEmail.length<=0)
				{				
					alert("请输入email地址！");
					return false;								
				}
				else if(!doEmail())
				{
					alert("请输入正确的email地址！");
					return false;
				}
			}			
			
			
			var tbContent = $("tbContent").value.trim();
			if(tbContent.length<=0)
			{
				alert("请输入留言内容！");
					$("tbContent").focus();
					return false;
			}	
			return true;
		}