function setSearchConfiguratorValidation()
{
	var theForm = document.getElementById('searchConfiguratorForm');
	if (theForm != null)
	{
		theForm.onsubmit = validateForm;
	}
	var Selects = document.getElementsByTagName("select");
	for (i=0; i<Selects.length; i++)
	{
		Selects[i].onchange = validateForm;	
	}
}


function validateForm()
{
			var fromTextBox = document.getElementById('rangeFrom_Packaging_Containers_VolNomEntered');
			var toTextBox = document.getElementById('rangeTo_Packaging_Containers_VolNomEntered');
			var valueFrom = -1;
			var valueTo = -1;
			if (fromTextBox != null)
			{
				if (
					fromTextBox.value.match(/^\s*[0-9]+.{0,1}[0-9]+\s*$/) == null
					&&
					fromTextBox.value.match(/^\s*[0-9]+\s*$/) == null
					&&
					fromTextBox.value.match(/^\s*$/) == null
					)
					{
						alert("Please check if the value entered as a lower limit is correct");
						return false;
					}
					else
					{
						valueFrom = parseFloat(fromTextBox.value);
					}
			}
			
			if (toTextBox != null)
			{
				if (
					toTextBox.value.match(/^\s*[0-9]+.{0,1}[0-9]+\s*$/) == null
					&&
					toTextBox.value.match(/^\s*[0-9]+\s*$/) == null
					&&
					toTextBox.value.match(/^\s*$/) == null
					)
					{
						alert("Please check if the value entered as an upper limit is correct");
						return false;
					}
					else
					{
						valueTo = parseFloat(toTextBox.value);
					}
			}
			if (valueFrom == -1 || valueTo == -1)
			{
				alert("Please check if the values entered are correct");
				return false;
			}
			if (valueTo<valueFrom)
			{
				alert("Please make sure that the lower limit is smaller than the upper.");
				return false;
			}
			var theForm = document.getElementById('searchConfiguratorForm');
			if (theForm != null)
			{
				//copy selects to hidden inputs
				selects = theForm.getElementsByTagName('select');
				var copyEl;
				for (i=0; i<selects.length; i++)
				{
					//if (selects[i].parent == theForm)
					//{  
						copyEl = document.createElement('input');
						copyEl.type='hidden';
						copyEl.name = selects[i].name;
						copyEl.value = selects[i].value;
						selects[i].disabled = true;
						theForm.appendChild(copyEl);				
					//}
				}
				
				//copy textboxes ...
				textboxes = theForm.getElementsByTagName('input');
				for (i=0; i<textboxes.length; i++)
				{
					if (textboxes[i].type == 'text')
					{
						copyEl = document.createElement('input');
						copyEl.type='hidden';
						copyEl.name = textboxes[i].name;
						copyEl.value = textboxes[i].value;
						textboxes[i].disabled = true;
						theForm.appendChild(copyEl);				
					}
				}
			
				
				if (
					(document.getElementById('pageNavigation') == null
				 	|| document.getElementById('pageNavigation').value == "")
				 	&& document.getElementById('pageNumberInput') != null
				 
				 )
				{
					document.getElementById('pageNumberInput').value = '0';
				}
				
				theForm.submit();
			}
}