function changezip(){    
   
   if(document.getElementById("zip").value == "ZIP")
	{
	
		document.getElementById("zip").value="";
		
	//	return false;
		
	}   
	//return true;
}
function changezip2(){    

   
   if(document.getElementById("zip").value == "")
	{
	
		//document.getElementById("zip").value="ZIP";
		
	//	return false;
		
	}   
	//else{
//	  
//	}
	//return true;
}
function changetest2(){    
   
//  	validzip = document.getElementById("zip_flag").value;
	lenzip = document.getElementById("zip").value;
//	VerifyZip();
    
	
	if((document.getElementById("zip").value == "")||(document.getElementById("zip").value == "ZIP"))
	{
		   alert("Please Enter your  Zipcode");
		   document.getElementById("zip").focus();
			return false;
	}
		
	return true;
}