function validateString(field, falt, msg, min, max) { 
if (!min) { min = 1 } 
if (!max) { max = 65535 } 

if (!field.value || field.value.length < min ||  
field.value.max > max) { 
document.getElementById(falt).style.background = '#d5f2f2';
alert(msg); 
field.focus(); 
field.select();

return false; 
} 
document.getElementById(falt).style.background = '#f9f9f9';
return true; 
}
function handleOnChange(select_element, falt)
{
document.getElementById(""+falt+"").innerHTML = select_element.value;
}
function toggle_visibility(select_element,produktnamn) {

	
	var divs = document.getElementsByTagName("div");
	var len = divs.length;
	var thisDiv, thisDivID;
	thisSelectID = select_element.value
	
	for (var i = 0; i < len; i++)
	{
	  thisDiv = divs[i];
	  if (thisDiv.className == produktnamn)
	  {
	  	thisDivID = thisDiv.id;
	  	
	  		if (thisDivID == thisSelectID)
			  {
			  	document.getElementById(thisDivID).style.display = 'block';
			  }
			  else
			  {
			 document.getElementById(thisDivID).style.display = 'none';
			 }
	  }
	}
 
}