function checkNewsletter(frm)
{
	 	 
	  if(!validateBlank(frm.name,"news_sub","Please Enter Email Address"))
	return false;	
	 
	 if(!validateEmail(frm.name,"news_sub","Please Enter Valid Email"))
	return false;
			 
return true;
}

<!---------------------------------------------------------------------------------->
var countryid;
function ChangeCountry(country)  
{
	
	//countryarr = country.split("_");
	countryid = country;
	stateObj = document.getElementById("st");
	cityObj = document.getElementById("ci");
	cityObj.innerHTML = "<select name='vcity'><option value=''>Select</option></select>";
	var doc = null; 
	
			if (typeof window.ActiveXObject != 'undefined' ) 
			{ 
				doc = new ActiveXObject("Microsoft.XMLHTTP"); 
			} 
			else 
			{ 
				doc = new XMLHttpRequest(); 
			}			
	
	doc.open("GET", "getstate.php?country=" + countryid,false);
	doc.send(null);		
	var Res = doc.responseText;
	stateObj.innerHTML = Res;
	
	
}
<!----------------------------------------------------------------------------------->
function ChangeState(stateid)  
{
		showStateObj = document.getElementById("vstate_other");
		showCityObj = document.getElementById("vcity_other");
		
	if(stateid == "other")
	{
		showStateObj.disabled = false;
		showCityObj.disabled = false;
		showStateObj.focus();
	}
	else
	{
		showStateObj.disabled = true;
		showCityObj.disabled = true;
	}
	 
	
	cityObj = document.getElementById("ci");
	var doc = null; 
	
			if (typeof window.ActiveXObject != 'undefined' ) 
			{ 
				doc = new ActiveXObject("Microsoft.XMLHTTP"); 
			} 
			else 
			{ 
				doc = new XMLHttpRequest(); 
			}			
	
	doc.open("GET", "getcity.php?country=" + countryid+"&state="+stateid,false);
	doc.send(null);		
	var Res = doc.responseText;
	cityObj.innerHTML = Res;
	
	
}

function ChangeCity(city)
{
	showCityObj = document.getElementById("vcity_other");
	if(city == "other")
			 showCityObj.disabled = false;
	else  
		showCityObj.disabled = true;
}

function check(frm)
{
	 	if(!validateBlank(frm.name,"vfirstname","Please Enter FirstName"))
	return false;	
if(!validateBlank(frm.name,"vlastname","Please Enter LastName"))
	return false;	
	 
	 if(!validateBlank(frm.name,"vadd1","Please Enter Address 1"))
	return false;
	
	 if(!validateBlank(frm.name,"vcountry","Please Enter Country"))
	return false;
	
	// if(!validateBlank(frm.name,"vstate","Please Enter State"))
	//return false;
	
	// if(!validateBlank(frm.name,"vcity","Please Enter City"))
	//return false;
	
	 if(!validateBlank(frm.name,"vzip","Please Enter Zip Code"))
	return false;
	
	if(!validateNumber(frm.name,"vzip","Please Enter Numeric Value"))
	return false;
			 
return true;
}