function checkMax(obj)
{
	var limit=4000;
	if(obj.value.length >=limit)
	{
		obj.value=obj.value.substring(0,limit-1);
		alert("Enter upto 4000 characters only");
		return false;
	}
	return true;
}
var zip =new RegExp(/^(\d{5})$/);
//var zip = new RegExp(/^(?(^00000(|-0000))|(\d{5}(|-\d{4})))$/);

function validZip(zip1)
{
	if(zip.test(zip1))
	{
		return (true);
	}
	else
	{
		return false;
	}
}
function validateform(){
	
	if (document.getElementById('comments').value==""){
		alert("Please enter the comments");
		document.getElementById('comments').focus();
		return false;
		}
		
		if (document.getElementById('title').value==""){
		alert("Please enter the review title");
		document.getElementById('title').focus();
		return false;
		}
		if (document.getElementById('username').value==""){
		alert("Please enter your name");
		document.getElementById('username').focus();
		return false;
		}
		if(!validZip(document.getElementById('postalCode').value)&&(document.getElementById('postalCode').value!=""))
{
alert("Please enter Valid ZIP");
document.getElementById('postalCode').value="";
document.getElementById('postalCode').focus();
return false; 
}
		if (document.getElementById('wordans').value==""){
		alert("Please enter the word");
		document.getElementById('wordans').focus();
		return false;
		}
			
		//alert(idVal);
		
	return true;
	}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}