function valueById(source){return document.getElementById(source).value;}
function lengthById(source){return document.getElementById(source).value.length;}
function objectById(source){return document.getElementById(source);}


String.prototype.trim = function() {
	return this.replace(/^\s+|\s+$/g,"");
}
function Set_Cookie( name, value, expires, path, domain, secure ) 
{
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );
	
	/*
	if the expires variable is set, make the correct 
	expires time, the current script below will set 
	it for x number of days, to make it for hours, 
	delete * 24, for minutes, delete * 60 * 24
	*/
	if ( expires )
	{
	expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	
	document.cookie = name + "=" +escape( value ) +
	( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
	( ( path ) ? ";path=" + path : "" ) + 
	( ( domain ) ? ";domain=" + domain : "" ) +
	( ( secure ) ? ";secure" : "" );
}

function Get_Cookie( check_name ) 
{
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f
	
	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );
		
		
		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
	
		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found )
	{
		return "";
	}
}	
//  Date1 == Date2 => Return 0
//  Date1 > Date2 => Return -1 
//  Date1 < Date2 => Return 1
function compareTwoDate(Date1,Date2)
{
	var month = [];
	month['Jan']= 0;month['Feb']= 1;month['Mar']= 2;month['Apr']= 3;
	month['May']= 4;month['Jun']= 5;month['Jul']= 6;month['Aug']= 7;
	month['Sep']= 8;month['Oct']= 9;month['Nov']= 10;month['Dec']= 11;
	
	// eg: 5-Sep-2001
	aDate = Date1.split('-');
	aDate_Y = aDate[2];
	aDate_M = month[aDate[1]];
	aDate_D = aDate[0];
	
	bDate = Date2.split('-');
	bDate_Y = bDate[2];
	bDate_M = month[bDate[1]];
	bDate_D = bDate[0];
	
	var sDate = new Date(aDate_Y,aDate_M,aDate_D);
	var eDate = new Date(bDate_Y,bDate_M,bDate_D);

	if (sDate < eDate )
	{
		return 1;
	}
	else if (sDate > eDate )
	{
	    return -1;
	}
	else
	{
		return 0;
	}
	
}
function doNothing()
{ return;}