function checkEnter(e) {
	var characterCode

	if (e && e.which) {
		e = e
		characterCode = e.which
	} else {
		e = event
		characterCode = e.keyCode
	}
	
	if(characterCode == 13) {
		document.forms[0].submit()
		return false
	} else {
		return true
	}

}

function swapImages(image){
	 var elem = document.getElementById('parentImage');
	 elem.src = '/uploads/content/size-s/'+image;
	 
	 var elem2 = document.getElementById('parentLink');
	 elem2.href = '/uploads/content/size-l/'+image;
}

function swapImagesProd(image){
	 var elem = document.getElementById('parentImage');
	 elem.src = '/uploads/products/size-s/'+image;
	 
	 var elem2 = document.getElementById('parentLink');
	 elem2.href = '/uploads/products/size-l/'+image;
}


function showOrderForm(){
	  var fm = $('orderForm');
	  
	  if(fm.getStyle('display') == 'none'){
	  	  fm.setStyle({'display':'block'});
	  }else{
	  	  fm.setStyle({'display':'none'});
	  }
}


function showInfoiceInfo(){
	  var fm = $('invoice_info');
	  
	  if(fm.getStyle('display') == 'none'){
	  	  fm.setStyle({'display':'block'});
	  }else{
	  	  fm.setStyle({'display':'none'});
	  }
}

function changeStates(obj){
	  var elemsId = new Array('name_firm','egn','dds','address1','mol');
	  var a,el,val;
	  
	  if(obj.checked){
	  	  val = '';
	  	  $('invoiceContainer').setOpacity(1);
	  }else{
	  	  val = 'disabled';
	  	  $('invoiceContainer').setOpacity(0.4);

	  }
	  
	  for(a=0;a<elemsId.length;a++){
	  	  	  el = document.getElementById(elemsId[a]);
	  	  	  el.disabled = val;
	  	  }
}