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];}} 
			}
			function switchimg(newimg) {
				document.getElementById('bigimg').src=newimg;
			}