function chk_form(formular_element)
{
	var icount = formular_element.elements.length;
	var error = false;
	
	//for(var element in formular_element.elements)
	for (var i = 0; i < icount; i++)
	{
		var element = formular_element.elements[i];
		//alert(element.id+' <> '+element.name);
		if(element.tagName == "INPUT")
		{
			
			switch (element.id)
			{
				//case 'allg_ik':
				//case 'allg_kvnr':
				case 'allg_vname':
				case 'allg_name':
				case 'allg_str':
				case 'allg_hnr':
				case 'allg_plz':
				case 'allg_ort':
				case 'allg_tel':
				//case 'allg_fax':
				//case 'allg_praxisbezeichnung':
				//case 'allg_fachrichtung':
				case 'kvs_weitere_netze1_name':
				case 'kvs_weitere_netze1_str':
				case 'kvs_weitere_netze1_ort':
				case 'kvs_weitere_netze2_name':
				case 'kvs_weitere_netze2_str':
				case 'kvs_weitere_netze2_ort':
				case 'kvs_weitere_netze3_name':
				case 'kvs_weitere_netze3_str':
				case 'kvs_weitere_netze3_ort':
					if(element.value == '')
					{
						element.style.backgroundColor = "#ffdddd";
						error = true;
					}
					else
						element.style.backgroundColor = "#ffffff";
					break;
			/*	case 'allg_email':
					if(element.value.indexOf('@') == '-1')
					{
						element.style.backgroundColor = "#ffdddd";
						error = true;
					}
					else
						element.style.backgroundColor = "#ffffff";
					break;
				case 'allg_kontonr':
				case 'allg_blz':
					if(isNaN(Number(element.value)) || element.value == '')
					{
						element.style.backgroundColor = "#ffdddd";
						error = true;
					}
					else
						element.style.backgroundColor = "#ffffff";
					break;*/
			}
		}
	}
	if(error == true)
	{
		alert('Bitte überprüfen Sie ihre Angaben!');
		return false;
	}
	else
		return true;
}

function chk_agbs(agb_element)
{
	if(agb_element.checked == true)
	{
		return true;
	}
	else
	{
		alert('Sie müssen die AGB´s akzeptieren um fortzufahren!');
		return false;
	}
}