function check_recepient()
	{
		
	if (sms_sender.to.value == "enter receiver's number")
		sms_sender.to.value = '';
	}//end of check_sender

function check_value(obj)
{
	txt=obj.value;
	var reg =new RegExp("^[0-9]*$");
	tst=reg.test(txt);
	if(txt!="")
	{
	if(!tst||txt.length!="10")
	{
		alert("Please enter a 10 digit Australian mobile phone number");
		obj.value="";
		document.getElementById('from').focus();
	}
	}
	
}

function check_char(obj)
{
	txt=obj.value;
	val=txt.charAt(0);
	if(val!=0)
	{
	obj.value="0";
	document.getElementById('from').focus();
	}
}


function check_message(pObj)
	{ 
	 if(pObj.value=="enter your message here")
	  {
		   pObj.value = "";
	  }
	 
	}//end of check_sender


function check_add()
	{
	if (add_user.fname.value != '' && add_user.lname.value != '' && add_user.celnum.value != '' && add_user.uname.value != '' && add_user.pass.value != '')
		document.add_user.submit();
	else
		alert ('Please complete the form before submitting it!');
	}//end of check_add


function showlayer()
	{
	if (document.getElementById('contactdiv').style.display == 'none')
		document.getElementById('contactdiv').style.display = 'block';
	else
		document.getElementById('contactdiv').style.display = 'none'
	}//end of showlayer


function check_contact()
	{
	if (add_contact.fname_contact.value != '' && add_contact.number_contact.value != '' && add_contact.fname_contact.value != 'Enter Name' && add_contact.number_contact.value != 'Enter Number')
		document.add_contact.submit();
	else
		alert ('Please complete the form properly before submitting it!');
	}//end of check_contact


function useNumber(num)
	{
	sms_sender.to.value = num;
	}//end of useNumber


function setTextLimit(field, countfield, maxlimit)
{
	//alert(maxlimit);
	if (field.value.length > maxlimit) // if too long...trim it!
	{
		alert("Sorry,You are over the limit of 160 characters !");
		field.value = field.value.substring(0, maxlimit);
	}
	// otherwise, update 'characters left' counter
	else
	{
		countfield.value = maxlimit - field.value.length;
	}
}