function do_login(){

	var soort = $F('soort');
	
	if(soort == 'opd'){
		var url = 'opdrachtgever_login/login_post.php';
	}else if(soort == 'opk'){
		var url = 'subsites/veiling/login_post.php';
	}else if(soort == 'rep'){
		var url = 'subsites/calculaties/index.php';
	}else{ 
		var url = 'login_post.php';
	}
	
	url = 'http://www.experda.nl/emis/' + url;
	
	document.inlog.action = url;

}

function do_objectinformatie(){

	var kenteken = $F('kenteken');
	var map = $F('schadenummer');
	 
	url = 'http://www.experda.nl/emis/module_beheer/toon.php?map=' + map + '&kenteken=' + kenteken ;
	
	document.objectinfo.action = url;

}

document.observe('dom:loaded', function () {

    var Placeholder = Class.create({
        initialize: function (element) {
            this.element = element;
            this.placeholder = element.readAttribute('placeholder');
            this.blur();
            Event.observe(this.element, 'focus', this.focus.bindAsEventListener(this));
            Event.observe(this.element, 'blur', this.blur.bindAsEventListener(this));
        },
        focus: function () {
            if (this.element.hasClassName('placeholder'))
                this.element.clear().removeClassName('placeholder');
        },
        blur: function () {
            if (this.element.value === '')
                this.element.addClassName('placeholder').value = this.placeholder;
        }
    });
    $$('input[placeholder]').each(function (input) {
        new Placeholder(input);
    });
});