function Navigate(o){
    if(o){
        for(var i=0; i < o.childNodes.length; i++){
            if(o.childNodes[i].tagName =="A")
                document.location.href = o.childNodes[i].href;    
        }
    }
}

function addBookMark(o){
    if (window.sidebar) { // Mozilla Firefox Bookmark
        window.sidebar.addPanel(document.title, location.href,"");
    } else if ( window.external ) { // IE Favorite	
        window.external.AddFavorite(location.href, document.title);
        //window.external.AddFavorite(url, title);
    } else if(window.opera && window.print) { // Opera Hotlist
        return true;
        } 
}

//script for tips en venn
function openEmailDialogue(height, width, url)
{
	var left = (window.screen.width - width) / 2;
	var top = (window.screen.height - height) / 2;
	var features = 'height=' + height + ',width=' + width + ",left=" + left + ",top=" + top;
	window.open(url,null,features);
}
/*
    http://www.powerclimberwind.com/regulations.shtml
    <img height="243" border="0" width="469" usemap="#worldmap_sm_Map" src="/worldmap.jpg" name="swapmap" id="swapmapimg"/>
    <map name="worldmap_sm_Map">
						<area onmouseout="chgText('swapmap','defaultOn','');" onmouseover="chgText('swapmap','image02On','us');" coords="69,99, 66,97, 64,92, 62,93, 58,90, 57,88, 56,90, 50,90, 43,86, 36,78, 42,48, 23,50, 15,43, 26,33, 44,24, 62,28, 44,42, 44,43, 49,44, 44,61, 47,61, 86,61, 90,63, 94,63, 100,69, 106,69, 115,65, 115,64, 119,62, 121,71, 106,83, 95,94, 94,101, 86,101, 83,95, 70,99" shape="poly" id="map_us"/>
						<area onmouseout="chgText('swapmap','defaultOn','');" onmouseover="chgText('swapmap','image05On','canada');" coords="95,63, 90,63, 86,61, 47,61, 50,50, 50,45, 45,43, 49,40, 63,28, 83,27, 90,21, 100,18, 112,20, 120,13, 159,13, 135,22, 143,34, 136,42, 136,50, 142,54, 141,64, 121,71, 119,62, 116,64, 115,66, 106,69, 100,69" shape="poly" id="map_Canada"/>					
						<area onmouseout="chgText('swapmap','defaultOn','');" onmouseover="chgText('swapmap','image04On','europe');" coords="194,81, 200,83, 210,78, 222,78, 226,81, 243,81, 244,76, 258,64, 260,61, 258,58, 253,57, 250,54, 245,50, 243,49, 243,42, 246,40, 242,27, 236,13, 217,15, 179,37" shape="poly" id="map_Europe"/>						
						<area onmouseout="chgText('swapmap','defaultOn','');" onmouseover="chgText('swapmap','image03On','australia');" coords="365,200, 365,178, 392,160, 401,157, 417,158, 430,185, 410,216, 400,217, 393,205, 368,206" shape="poly" id="map_Australia"/>
						<area onmouseout="chgText('swapmap','defaultOn','');" onmouseover="chgText('swapmap','image01On','other');" coords="40,86, 52,92, 58,91, 61,95, 64,94, 68,101, 83,101, 98,104, 121,109, 112,116, 91,120, 121,123, 159,147, 185,130, 179,115, 183,98, 195,83, 205,83, 209,80, 219,79, 222,79, 227,83, 242,86, 245,76, 257,67, 260,62, 260,58, 257,56, 253,55, 245,48, 245,42, 248,39, 242,24, 260,24, 280,13,
						293,18, 297,10, 365,20, 424,31, 412,62, 400,62, 407,86, 388,96, 397,138, 422,144, 435,147, 427,164, 420,160, 416,157, 406,157, 394,157, 378,164, 347,152, 338,112, 329,138, 319,135, 304,108, 288,119, 274,153, 284,164, 281,187, 263,187, 249,202, 228,205, 219,171, 219,143, 192,137, 159,152, 154,178, 133,214, 130,236, 109,230,
						105,187, 102,174, 95,168, 82,152, 87,133, 61,117, 50,106, 41,101" shape="poly" id="map_other"/>
    </map>    
 */
function chgImg(objArea, objImg,imgSrc,altText){
    var oImage = document.getElementById(objImg);
    if(oImage){oImage.src = imgSrc; objArea.title = objArea.alt;};
    return true;
}

var prevImg = '';
function chgText(imgField,newImg,region){
    if(document.images){
        if(prevImg){document.getElementById(prevImg).style.display="none";prevImg='';}
            document[imgField].src=eval(newImg+".src");
            if(region){
                document.getElementById(region).style.display="block";
                prevImg = region;
            }
        }
}


function blankSearchField(obj){
    if(obj.value == 'search')
        obj.value = '';
}