function addCell(i) {

        var x=document.getElementById('table1').rows[0].cells[1]
        
        x.innerHTML = "<p>&nbsp;&nbsp;&nbsp;&nbsp; Number of Photos<select size=\"1\" name=\"numberOfPhoto\" onchange=\"addRow(this.value);\"> <option value=12>1-12<\/option> <option value=24>1-24<\/option> <option value=36>1-36<\/option><\/select><\/p>";

        var half = (i*12)/2 + 1;
        for (var intLoop = 1; intLoop <= (i*12)/2; intLoop++, half++) {

            x.innerHTML += "<p>&nbsp;&nbsp;&nbsp;&nbsp; Image " + intLoop + " <input type=\"file\" name=\"File" + intLoop + "\" size=\"30\">&nbsp;&nbsp;&nbsp;&nbsp; Image " + half + " <input type=\"file\" name=\"File" + half + "\" size=\"30\"><\/p>";
 
        }

        x.innerHTML += "<input type=\"submit\" value=\"Upload\" name=\"uploadPhoto0\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
        x.innerHTML += "<input type=\"reset\" value=\"Clear All\" name=\"s1Clear0\"><br /><font face='helvetica' size='-2'>>>This may take a few seconds</font><\/p>";
        
    }
        
    function addRow(s) {
        var intNum = s
        switch (intNum) {
            case "12":
                addCell(1);
                document.forms[0].numberOfPhoto.selectedIndex = 0;
                document.forms[0].numberOfPhoto.value = 12;
                break;
            case "24":
                addCell(2);
                document.forms[0].numberOfPhoto.selectedIndex = 1;
                document.forms[0].numberOfPhoto.value = 24;
                break;
            case "36":
                addCell(3); 
                document.forms[0].numberOfPhoto.value = 36;
                document.forms[0].numberOfPhoto.selectedIndex = 2;
                break;
            default:
                break;
        }
    }
    
    function isEmpty(str) {
        for (var intLoop = 0; intLoop < str.length; intLoop++)
            if (" " != str.charAt(intLoop))
                return false;
        return true;
    }
    
    function doSubmit(f) {
        var intFile = 0
        
        for (var intLoop = 0; intLoop<f.elements.length; intLoop++) {
            if (f.elements[intLoop].type == "file") {
                if (!isEmpty(f.elements[intLoop].value))
                    intFile++;
            }
        }
        if (intFile>0) {
        	window.status="Please wait...this may take a few seconds.";
            return true;
        } else {
            alert("Please upload at least one file!\n");
            return false;
        }
    }