var global_banner_array = Array(
		
			Array('SPOT_1', Array(
				
				)
			)
			,
			Array('SPOT_2', Array(
				
				)
			)
			,
			Array('SPOT_3', Array(
				
				)
			)
			,
			Array('SPOT_4', Array(
				'18'
				)
			)
			,
			Array('SPOT_5', Array(
				'5'
				)
			)
			,
			Array('SPOT_TOP', Array(
				
				)
			)
			
	);
	
	function global_banner_initialize() {
		if (!document.getElementById) return;
		var imgarr = document.getElementsByTagName('img');
		for (var i = 0; i < imgarr.length; i++) {
			var oImage = imgarr[i];
			
			if ( oImage.getAttribute('spot') ) {
				for ( var j = 0; j < global_banner_array.length; j++ )
					if ( global_banner_array[j][0] == oImage.getAttribute('spot') ) {
						if ( global_banner_array[j][1].length > 0 ) {
							var idx = Math.floor(Math.random() * global_banner_array[j][1].length);
							szUrl = 'http://www.water.nl/banners/default.asp?bid=' + global_banner_array[j][1][idx];
							oImage.setAttribute('src', szUrl + '&img=yes');
							oImage.setAttribute('src', szUrl + '&img=yes');
							
							var aarr = document.getElementsByTagName('a');
							for (var k = 0; k < aarr.length; k++) {
								if ( aarr[k].getAttribute('spot') == imgarr[i].getAttribute('spot') ) {
									aarr[k].setAttribute('href', szUrl);
								}
							}
						}
					}
			}
		}
	}
	
	global_banner_initialize();