function clickDefaButton(e, buttonid)
{ 
	var bt = document.getElementById(buttonid); 
	if (typeof bt == 'object')
	{ 
			if(navigator.appName.indexOf("Netscape")>(-1))
			{ 
				if (e.keyCode == 13){ 
						bt.click(); 
						return false; 
				} 
			} 
			if (navigator.appName.indexOf("Microsoft Internet Explorer")>(-1)){ 
				if (event.keyCode == 13){ 
						bt.click(); 
						return false; 
				} 
			} 
	} 
} 

function CheckMsg(obj)
{
    if(document.getElementById(obj).value.length<=0)
    {
        alert("Please enter Zipcode");
        document.getElementById(obj).focus();
        return false;
     }
     else
        return true;
}