var flag,state;
function checkf(entry)
{
	flag = true;	
	state = true;
	for(i=0; i<=entry.elements.length; i++)
	{
		check(entry.elements[i]);
		if (!(flag)) break;
	}
	if (flag)
	{
		return true;
	}
	else
	{
		return false;
	}
}
function isNumberFloat(inputString)
{
  return (!isNaN(parseInt(inputString))) ? true : false;
}
function check(ent)
{
	var count = 0;

if (ent.name=="Name" || ent.name=="Address" || ent.name=="Email" || ent.name=="Subject" || ent.name=="Comments")
	{
		if (ent.value=="")
		{
			alert("Please Fill up the " + ent.name);
			ent.focus();
			flag=false;
		}

		else if (ent.name == "Email")
		{
			for(j=0; j<=ent.value.length; j++)
			{
				if (ent.value.charAt(j) == "@" || ent.value.charAt(j) == ".") 
				{
					count ++;
				}
			}
			if (count < 2)
			{
				alert("Please enter a valid email ID... ");
				ent.focus();
				flag = false;
				count = 0;
			}
		}
	}
	else
	{
		flag = true;
		state = true;
	}
}