function in_array (haystack,needle) {
	for (i=0; i < haystack.length; i++)
	{
		if(haystack[i] == needle)
		{
			//document.write('<strong>'+haystack[i]+' == '+needle+'</strong><br />');
			return true;
		}
	}
	return false;
}

function array_pos (haystack,needle) {
	for (i=0; i < haystack.length; i++)
	{
		if(haystack[i] == needle)
		{
			//document.write('<strong>'+haystack[i]+' == '+needle+'</strong><br />');
			return i;
		}
	}
}

function checkEnter(e, formname)
{ //e is event object passed from function invocation
	var characterCode; // literal character code will be stored in this variable
	
	if(e && e.which){ //if which property of event object is supported (NN4)
		e = e;
		characterCode = e.which; //character code is contained in NN4's which property
	}
	else{
		e = event;
		characterCode = e.keyCode; //character code is contained in IE's keyCode property
	}
	
	if(characterCode == 13)
	{ //if generated character code is equal to ascii 13 (if enter key)
		
		if(formname)
		{
			docform = eval('document.forms.'+formname);
			docform.submit(); //submit the form
		}
		else
		{
			document.forms[0].submit(); //submit the form
		}
		return false;
	}
	else
	{
		return true;
	}
}

function change_submit(hover,divname)
{
	if(hover == 'true')
	{
		document.getElementById(divname+'_on').style.display = 'none';
		document.getElementById(divname+'_off').style.display = 'block';
	}
	else
	{
		document.getElementById(divname+'_on').style.display = 'block';
		document.getElementById(divname+'_off').style.display = 'none';
	}	

}

function check_dateval(inputid, inputvalue)
{
	if(inputvalue == 'dd' || inputvalue == 'mm' || inputvalue == 'yyyy')
	{
		document.getElementById(inputid).value = '';
	}
}