function validate_feedback()
{
	if (feedback.tx_name.value=='')
    {
    	alert('Please enter your name.');
		feedback.tx_name.focus();
		return false;
	}
	
	if (feedback.ta_address.value=='')
    {
    	alert('Please enter your contact Address ');
		feedback.ta_address.focus();
		return false;
	}

	if (feedback.tx_mobile.value=='')
    {
    	alert('Please enter your Mobile no.');
		feedback.tx_mobile.focus();
		return false;
	}

	if (feedback.tx_email.value.indexOf("@")==-1  || feedback.tx_email.value.indexOf("@")==0 || feedback.tx_email.value.indexOf(".")==-1 )
	{
		   alert("Invalid E-mail ID");
		   feedback.tx_email.focus();
		   return false;
	}

	if (feedback.tx_dob_self.value=='')
    {
    	alert('Please enter your date of birth.');
		feedback.tx_dob_self.focus();
		return false;
	}
	
	if (feedback.ta_message.value=='')
    {
    	alert('Please enter your Comments / Suggestions.');
		feedback.ta_message.focus();
		return false;
	}
	
	if (feedback.ta_like.value=='')
    {
    	alert('Enter why you like ZKs');
		feedback.ta_like.focus();
		return false;
	}

	return true;
}



function validate_member()
{
	if (membership.tx_name.value=='')
    {
    	alert('Please enter your name.');
		membership.tx_name.focus();
		return false;
	}
	
	if (membership.tx_dob.value=='')
    {
    	alert('Please enter your Birth Date.');
		membership.tx_dob.focus();
		return false;
	}
	
	if (membership.tx_email.value.indexOf("@")==-1  || membership.tx_email.value.indexOf("@")==0 || membership.tx_email.value.indexOf(".")==-1 )
	{
		   alert("Invalid E-mail ID");
		   membership.tx_email.focus();
		   return false;
	}

	if (membership.tx_mobile.value=='')
    {
    	alert('Please enter your contact no.');
		membership.tx_mobile.focus();
		return false;
	}
	
	if (membership.ta_address.value=='')
    {
    	alert('Please enter your contact Address ');
		membership.ta_address.focus();
		return false;
	}
	return true;
}


function popitupdesc(url)
{
	newwindow=window.open(url,'name','height=400,width=700,titebar=no,location=1,status=no,scrollbars=yes');
	if (window.focus){
		newwindow.focus()
	}
	return false;
}

// IMAGE TYPE VALIDATION START HERE
	function load_image()
	{
		var imgpath = document.getElementById('fupImage').value;
		if(imgpath != "")
		{
			// code to get File Extension..
			var arr1 = new Array;
			arr1 = imgpath.split("\\");
			var len = arr1.length;
			var img1 = arr1[len-1];
			var filext = img1.substring(img1.lastIndexOf(".")+1);
			// Checking Extension
			if(filext == "jpg" || filext == "jpeg" || filext == "gif" || filext == "png")
			document.getElementById('imgUser').src = imgpath;
			else
			{
				alert("File Format Selected Is Invalid");
				document.getElementById('fupImage').value = "";
				return false;
			}
		}
	}
// IMAGE TYPE VALIDATION END HERE