function MM_jumpMenu(targ,selObj,restore){ //v3.0
eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
if (restore) selObj.selectedIndex=0;
}

function MM_jumpMenuGo(selName,targ,restore){ //v3.0
var selObj = MM_findObj(selName); if (selObj) MM_jumpMenu(targ,selObj,restore);
}

function wachten(){
document.getElementById('upload-animatie').style.visibility='visible';
document.getElementById('upload-animatie').style.height='auto';
}






    function checkExtension(aantal_fotos){
		
		
		
        if (navigator.appVersion.indexOf('Mac') != -1 || navigator.appVersion.indexOf('Linux') != -1)
            var fileSplit = '/';
        else
            var fileSplit = '\\';
   
        var fileTypes= new Array('.bmp', '.bmp2', '.bmp3', '.cmyk', '.cmyka', '.dcx', '.fits', '.gif', '.gif87', '.jng', '.jpeg', '.jpg', '.map', '.mat', '.mng', '.pbm', '.pcd', '.pcds', '.pct', '.pcx', '.pdb', '.pgm', '.pict', '.pix', '.pjpeg', '.png', '.png24', '.png32', '.png8', '.pnm', '.ppm', '.psd', '.ptif', '.rla', '.tga', '.tif', '.tiff', '.wbmp', '.xbm'); // valid filetypes
		var fileTypes_coming= new Array('.dps', '.epdf', '.epi', '.eps', '.eps2', '.eps3', '.epsf', '.epsi', '.ept', '.ept2', '.ept3', '.pdf', '.pfa', '.pfb', '.ps', '.ps2', '.ps3');
		var bestanden = new Array();
		
		for (N=1;N<=aantal_fotos;N++){
        var fileName      = document.getElementById('photos'+N).value; // current value
        var extension     = fileName.substr(fileName.lastIndexOf('.'), fileName.length);
		extension=extension.toLowerCase();
        var valid = 0;
       
//alert(extension);   
        for(var i in fileTypes){
       
            if(fileTypes[i] == extension){
           		bestanden[N]=true;
                break;
	        }
			else{
           	bestanden[N]=false;
			}
        }
      
        
    }
	
	
	//loop bestanden met melding
	var s=1;
     for(var x in bestanden){
	 	if(bestanden[x] == false){
			var fileName      = document.getElementById('photos'+x).value; // current value
			var fileName     = fileName.substr(fileName.lastIndexOf(fileSplit)+1, fileName.length);
	        var extension     = fileName.substr(fileName.lastIndexOf('.'), fileName.length);
			/*extension=extension.toLowerCase();
				var melding='';
				 for(var i in fileTypes_coming){
				 melding=melding+fileTypes_coming[i]+', ';
				 }
				*/
			melding='Het bestandsformaat dus u wilt uploaden wordt niet ondersteund. \n\nIs uw bestand kleiner dan 10mb,  stuur het bestand dan naar info@fotogeschenk.nl.\nIs uw bestand groter dan 10mb, maak dan gebruik van yousendit.com.\n\nWij nemen vervolgens contact met u op.';
			
			if(fileName == ''){
				alert('Selecteer eerst een fotobestand.');
			}
			else{
				alert(melding);
			}
			s=0;
			break;
		}
	}
	

	if(s==1){
		document.image_upload_form.submit();
		wachten();
	}

  }