function PageBack(){ history.back(); }
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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 MM_findObj(n, d) { //v3.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

$(function(){
	$('#ddlist ul').css('display','none');
	        $('#ddlist').hover(function(){
                $(this).children('ul').show();
        },function(){
                $(this).children('ul').hide();
        });

});


$(function(){
		var filename     = new String();
		var extentension = new String();
		
		function setter(elem1,elem2){
			filename  = elem1;
			extension = elem2;
		}
		   
	   $('img.rollover').hover(function(){
		   var tgtsrc = $(this).attr("src");
		   
		   var srcAllay = String(tgtsrc).split(".");
		   
		   var extent = srcAllay[srcAllay.length-1];
		   var fname  = new String();
			
			for(var i = 0;i <= srcAllay.length-2;i++){
				var tenmStr = srcAllay[i];
						
				if(tenmStr == ""){
					tenmStr = ".";
				}
				
				fname += tenmStr;
			}
			
			
			 setter(fname,extent);
			
			 $(this).attr("src",fname+"_on." + extent);
			 
			 
        },function(){
             $(this).attr("src",filename+"." + extension);
        });

});