var effect_1 = null;

		function onoff() { 
			if( Object.inspect($('kopf_lang_switch').style.display) == "'none'" ) {
				effect_1 = Effect.SlideDown('kopf_lang_switch',{duration:0.2}); 
				return false;
			} else {
				effect_1 = Effect.SlideUp('kopf_lang_switch',{duration:0.2}); 
				return false;
			} 
		}
		
		function checkCredit(form){
			
			var noerror = true;
			
			if(form.FirstName.value==''){
				form.FirstName.className='cc_error';
				noerror = false;
			}else{
				form.FirstName.className='';
			}
			
			if(form.LastName.value==''){
				form.LastName.className='cc_error';
				noerror = false;
			}else{
				form.LastName.className='';
			}
			
			if(form.ZipCode.value==''){
				form.ZipCode.className='cc_error';
				noerror = false;
			}else{
				form.ZipCode.className='';
			}
			
			if(form.City.value==''){
				form.City.className='cc_error';
				noerror = false;
			}else{
				form.City.className='';
			}
			
			if(form.Address1.value==''){
				form.Address1.className='cc_error';
				noerror = false;
			}else{
				form.Address1.className='';
			}
			
			if(form.CardHolderName.value==''){
				form.CardHolderName.className='cc_error';
				noerror = false;
			}else{
				form.CardHolderName.className='';
			}
			
			if(form.CreditCardNumber.value==''){
				form.CreditCardNumber.className='cc_error';
				noerror = false;
			}else{
				form.CreditCardNumber.className='';
			}
			
			if(form.CVC2.value==''){
				form.CVC2.className='cc_error';
				noerror = false;
			}else{
				form.CVC2.className='';
			}
			if(form.Email.value==''){
				form.Email.className='cc_error';
				noerror = false;
			}else{
				form.Email.className='';
			}
			
			
			if(noerror){
			document.getElementById("creditErrorMessage").style.display = 'none';
			}else{
			document.getElementById("creditErrorMessage").style.display = 'block';
			}
		
			return noerror;
		
		}
		
		function showDownload(div){
			document.getElementById(div).className= 'download_view_show';
			document.getElementById(div+'view').className= 'option_list_view';
		}
		
		function hideDownload(div){
				document.getElementById(div).className= 'download_view_hide';
				document.getElementById(div+'view').className= 'normal_list_view';
		}