Mine

GenerateImage:function(
	source,
	top,
	middle,
	bottom,
	font,
	color,
	fontSize,
	bold,
	italic,
	underlined,
	style,
	opacity,
	topAlignment,
	middleAlignment,
	bottomAlignment,
	name,
	email,
	website,
	imageSource,
	succeededCallback,
	failedCallback,
	userContext
)
	{
		return this._invoke(
		PageMethods.get_path(),
		'GenerateImage',
		false,
		{source:source,top:top,middle:middle,bottom:bottom,font:font,color:color,fontSize:fontSize,bold:bold,italic:italic,underlined:underlined,style:style,opacity:opacity,topAlignment:topAlignment,middleAlignment:middleAlignment,bottomAlignment:bottomAlignment,name:name,email:email,website:website,imageSource:imageSource},
		succeededCallback,
		failedCallback,
		userContext
		);
	}

PageMethods.get_path = function() { return PageMethods._staticInstance._path; }

        function GenerateImage()
        {
            if(lastSet == null)
            {
                alert('Please select an image in order to continue');
                return;
            }

            if(!document.getElementById('chkAgree').checked || document.getElementById('txtName').value.length == 0 || document.getElementById('txtEmail').value.length == 0)
            {
                alert('You must enter your name, email and agree to our terms and conditions in order to continue');
                return;
            }
            
            var source = lastSet;
            var top = document.getElementById('txtTop').value;
            var middle = document.getElementById('txtMiddle').value;
            var bottom = document.getElementById('txtBottom').value;
            var font = document.getElementById('ddlFont').value;
            var color = document.getElementById('ddlColor').value;
            var fontsize = document.getElementById('txtSize').value;
            var bold = document.getElementById('chkBold').checked;
            var italic = document.getElementById('chkItalic').checked;
            var underlined = document.getElementById('chkUnderlined').checked;
            var style = document.getElementById('ddlEffect').value;
            var opacity = document.getElementById('txtOpacity').value;
            var topalignment = document.getElementById('topalignment').value;
            var middlealignment = document.getElementById('middlealignment').value;
            var bottomalignment = document.getElementById('bottomalignment').value;

            var name = document.getElementById('txtName').value;
            var email = document.getElementById('txtEmail').value;
            var website = document.getElementById('txtWebsite').value;
            var imgSource = document.getElementById('txtImageSource').value;
         
         
            document.getElementById('imgSubmit').src = 'images/hamstar.gi`f';
         
            PageMethods.GenerateImage(source, top, middle, bottom, font, color, fontsize,bold, italic, underlined, style, opacity, topalignment, middlealignment, bottomalignment, name, email, website, imgSource, ImageCompleted);
        }


    function PreviewImage()
    {
       //if(lastSet == null)
        if(document.getElementById('imgPreview').src == 'images/select.jpg')
        {
            alert('Please select an image in order to continue');
            return;
        }
     
        var source = escape(lastSet);
        var top = escape(document.getElementById('txtTop').value);
        var middle = escape(document.getElementById('txtMiddle').value);
        var bottom = escape(document.getElementById('txtBottom').value);
        var font = document.getElementById('ddlFont').value;
        var color = document.getElementById('ddlColor').value;
        var fontsize = escape(document.getElementById('txtSize').value);
        var bold = document.getElementById('chkBold').checked;
        var italic = document.getElementById('chkItalic').checked;
        var underlined = document.getElementById('chkUnderlined').checked;
        var style = document.getElementById('ddlEffect').value;
        var opacity = document.getElementById('txtOpacity').value;
        var topalignment = document.getElementById('topalignment').value;
        var middlealignment = document.getElementById('middlealignment').value;
        var bottomalignment = document.getElementById('bottomalignment').value;

        document.getElementById('imgPreview').src = "default.aspx?preview=1&source="+source+"&top="+top+"&bottom="+bottom+"&middle="+middle+"&font="+font+"&color="+color+"&size="+fontsize+"&bold="+bold+"&italic="+italic+"&underlined="+underlined+"&style="+style+"&opacity="+opacity+"&topalignment="+topalignment+"&middlealignment="+middlealignment+"&bottomalignment="+bottomalignment;
    }