window.onload = function()
{
   MM_preloadImages('/img/nav/home_on.gif','/img/nav/sales_on.gif','/img/nav/tyres_on.gif','/img/nav/management_on.gif','/img/nav/safety_on.gif','/img/nav/testimonials_on.gif','/img/nav/contact_on.gif');
}

  function wireup_rollovers() {
                    var imgs = filterForClass("rollover", document.getElementsByTagName("a"));
                    enableRollOvers(imgs);
                }
                addLoadEvent(wireup_rollovers);
				function roll(ele) {
					var img = ele.getElementsByTagName("img")[0];
					var src = img.src;
					img.src = (/_on/.test(src)) ? src.replace('_on', '_off') : src.replace('_off', '_on');
				}
				
                function clear_fields(frm) {
                    for (var i=0; i<frm.elements.length; i++) {
                        var ele = frm.elements[i];
                        switch (ele.type) {
                            case 'text':
                                ele.value = '';
                                break;
                            case 'checkbox':
                            case 'radio':
                                ele.checked = false;
                                break;
                            case 'select-one':
                                ele.selectedIndex = 0;
                                break;
                            
                        };
                    }
                }


 function MM_preloadImages() { //v3.0

        var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

        var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

        if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

        }