function abort(s) {
    alert(s+'. Will redirect home.');
    top.location.href='index.php';
    }

function check_data() {
	vis=fnames.length;
	if (vis!=imgdata.length) {
	    abort('Image data mismatch ('+vis+' file names not equal to '+imgdata.length+' image data count)')
	    }
	
	drs=0;
	drno=new Array();
	vino=new Array();
	j=-1;
	maxdesc=0;
	for (i=0;i<fnames.length;i++) {
	    maxdesc=maxdesc<imgdata[i].length?imgdata[i].length:maxdesc;
	    if (fnames[i].substring(0,1)=='#') {
	        j++;
	        drno[j]=0;
	        vino[j]=0;
	        }
	    if (imgdata[i].substring(0,1)=='$') {
	        drno[j]++;
	        drs++;
	        }
	    vino[j]++;
	    }
	
	if (j+1!=cname.length) {
	    abort('Collection data mismatch ('+(j+1)+' collection delimeters not equal to '+cname.length+' collection count)')
	    }
}	

fnames = new Array (
    '#bw_melange_d1', 'bw_melange_d3', 'bw_melange_d2',
    'bil_rasp', 'bil_rasp_cap',
    'sorbet_d2', 'sorbet_d4', 'sorbet_d3',
    'gothic', 'gothic2', 
    'star_night3', 'star_night', 
/*    'muffler_m5', 'muffler_m4',
    'grey-eye', 'grey-eye2', 'grey-eye3',
    'white_wind_m3', 'white_wind_m2', 'white_wind3',
    'butter_m3', 'butter_m1',
    'melange', 'melange2', 'melange3',
    'black_jersey3', 'black_jersey4',    
    'golf_m2', 'golf_m1',
    'white_wine', 'white_wine4', 'white_wine3', */

    '#bird1', 'bird2',     
    'poncho_m2', 'poncho_m1', 'poncho_m3',
	'red_check_d2', 'red_check_d1',
	'zebra_d1', 'zebra_d2', 'zebra_d3',
    'spring_mood1', 'spring_mood2',
    'marsh1', 'marsh2', 'marsh3',
/*    'marsh_vest_d2', 'marsh_vest_d1',
    'mamba_d2', 'mamba_d1',
    'scarlet', 'scarlet4', 
    'indian_m1', 'cowboy',
    'village_style', 'village_style2',
    'diana_d2', 'diana_d1', 'diana_d3',
    'sprangle_vest2', 'sprangle_vest', */

    '#n1-2', 'n1-3',
    'n2', 'n2-3', 'n2-4',
    'n3', 'n3-2',

    '#agent_a2', 'agent_a1', 'agent_a4',
    'mount_a3', 'mount_a1',
/*    'ander_a1', 'ander_a4',
    "rough_a3", "rough_a2", "rough_a4", */
    'egypt1', 'egypt2'
    );