function isBlank(field)		
{
	if (field.value == "") 
		return true;
	else 
		return false;
}
function isNumeric(field)
{
	if (isNaN(field.value)==true)
		return false;
	else
		return true;
}
function isDefSelect(field)
{
	if(field.value == "Select" || field.value == "select" || field.value == "SELECT" || field.value == "Select State")
		return true;
	else
		return false;
}
function checkMaxLength(field,requiredLength)
{
	if (field.value.length > requiredLength)
		return true;
	else
		return false;
}
function isnotvalidEmail(field)
{
    if ((field.value.length < 1)||(field.value.indexOf("@") == -1)  || (field.value.indexOf(".")==-1)|| (field.value.indexOf(".")==0) || (field.value.indexOf("@")==0) || (field.value.indexOf("@")==field.value.length-1) || (field.value.indexOf(".")==field.value.length-1)||(field.value.indexOf("@")!=field.value.lastIndexOf("@")) || ((field.value.indexOf("@") > field.value.lastIndexOf("."))) || ((field.value.indexOf(".")+1)==field.value.indexOf("@")) || ((field.value.indexOf("@")+1)==field.value.indexOf(".")))

        return true;
    else
	    return false;
}
   
function checkValue(field,requiredValue)
{
	if (field.value == requiredValue) 
		return true;
	else 
		return false;
}
function isatleastOnechecked(field)
{
	for (var s=0;s<field.length;s++)
	{
		if (field[s].checked == true)
			return false;
	}
	return true;
}
function checkallCheckBoxes(field)
{
	for(var s=0;s<field.length;s++)
	{
		field[s].checked = true;
	}
}	
function chkpassword(field1,field2)
{  
    if (field1.value == "")
	 {
        alert("<?=$NEW_PASSWORD_CANNOT_EMPTY?>");
	   field1.focus();
	   return false;   
	 }
	 else if (field2.value == "")
	 {
	   alert("<?=$CONFIRM_PASSWORD_CANNOT_EMPTY?>");
	   field2.focus();
	   return false;
	 }
	 else if (field1.value == field2.value)
	  {
		 return true;
	  }
	else	 
	{	
	   alert("<?=$PASSWORD_NOTSAME_IN_BOTH_FIELDS?>");
		 return false;
	} 
	 
	 
}