function getParameter ( parameterName )
{
	var queryString = window.top.location.search.substring(1);

	// Add "=" to the parameter name (i.e. parameterName=value)
	var parameterName = parameterName + "=";

	if ( queryString.length > 0 )
	{
		// Find the beginning of the string
		begin = queryString.indexOf ( parameterName );

		// If the parameter name is not found, skip it, otherwise return the value
		if ( begin != -1 )
		{
			// Add the length (integer) to the beginning
			begin += parameterName.length;

			// Multiple parameters are separated by the "&" sign
			end = queryString.indexOf ( "&" , begin );

			if ( end == -1 )
			{
				end = queryString.length
			}

			// Return the string
			return unescape ( queryString.substring ( begin, end ) );
		}

		// Return "null" if no parameter has been found
		return "null";
	}
} 

			
			sfHover = function() {
            var sfEls = document.getElementById("nav").getElementsByTagName("LI");
            for (var i=0; i<sfEls.length; i++) {
            sfEls[i].onmouseover=function() {
            this.className+=" ie_does_hover";
            }
            sfEls[i].onmouseout=function() {
            this.className=this.className.replace(new RegExp(" ie_does_hover\\b"), "");
            }
            }
            }
            if (window.attachEvent) window.attachEvent("onload", sfHover);



			sfHover = function() {
            var sfEls = document.getElementById("navRight").getElementsByTagName("LI");
            for (var i=0; i<sfEls.length; i++) {
            sfEls[i].onmouseover=function() {
            this.className+=" ie_does_hover";
            }
            sfEls[i].onmouseout=function() {
            this.className=this.className.replace(new RegExp(" ie_does_hover\\b"), "");
            }
            }
            }
            if (window.attachEvent) window.attachEvent("onload", sfHover);




			if (document.images)
			{
				image1 = new Image;
				image2 = new Image;

				image3 = new Image;
				image4 = new Image;

				image5 = new Image;
				image6 = new Image;
				
				
				if(window.location.search.search("L=4") > 0)
				{
					// Taal = Duits
					image1.src = 'images/alles-over-nacap-home-de.jpg';
					image2.src = 'images/alles-over-nacap-home-de2.jpg'; 

					image3.src = 'images/pijpleidingen-home-de.jpg'; 
					image4.src = 'images/pijpleidingen-home-de2.jpg'; 

					image5.src = 'images/oplossingen-home-de.jpg'; 
					image6.src = 'images/oplossingen-home2-de.jpg'; 
				}
				else if(window.location.search.search("L=2") > 0)
				{
					// Taal = Nederlands
					image1.src = 'images/alles-over-nacap-home.jpg';
					image2.src = 'images/alles-over-nacap-home2.jpg';

					image3.src = 'images/pijpleidingen-home.jpg';
					image4.src = 'images/pijpleidingen-home2.jpg';

					image5.src = 'images/oplossingen-home.jpg';
					image6.src = 'images/oplossingen-home2.jpg';
				}
				else
				{
					// Taal = Engels
					image1.src = 'images/alles-over-nacap-home-uk.jpg';
					image2.src = 'images/alles-over-nacap-home-uk2.jpg';

					image3.src = 'images/pijpleidingen-home-uk.jpg';
					image4.src = 'images/pijpleidingen-home-uk2.jpg';

					image5.src = 'images/oplossingen-home-uk.jpg';
					image6.src = 'images/oplossingen-home2-uk.jpg';
				}
			}