document.colourOptions = new Array();
document.colourOptions['cover'] = new Array();
document.colourOptions['trim'] = new Array();

function addColourOption(key , title , value , caption){

	if(title == 'Cover Colour'){
		if(!document.colourOptions['cover'][key]){
			document.colourOptions['cover'][key] = new Array();
		}
		src = 'parasol_cover_' + caption.replace(/[^0-9]+/, "") + '.jpg';
		document.colourOptions['cover'][key][value] = src;
	}
	else if(title == 'Trim Strip Colour'){
		if(!document.colourOptions['trim'][key]){
			document.colourOptions['trim'][key] = new Array();
		}
		src = 'parasol_trim_' + caption.replace(/[^0-9]+/, "") + '.jpg';
		document.colourOptions['trim'][key][value] = src
	}

}

function colourSwitcher(field){

	if(document.colourOptions['cover'][field.name]){
		document.getElementById('parasolcover').src = "/media/" + document.colourOptions['cover'][field.name][field.value];
	}
	else if(document.colourOptions['trim'][field.name]){
		document.getElementById('parasoltrim').src = "/media/" + document.colourOptions['trim'][field.name][field.value];
	}
	
}