// Preloader and rollovereffect navigation

preloads = new Array();

function preloadimgs (){
 for(mri=0; mri<navimagen.length; mri++){
   switch(typeofnav){
   
     case "short":
     
	 preloads[mri] = new Image();
	 preloads[mri].src=navimagedir+navimagen[mri]+fileenderover;
	
     break
     case "long":
	 preloads[mri] = new Image();
	 preloads[mri].src=navimagedir+navimagen[mri];
     break
   
   }
 }
} 

function flipmenu(navit,statit){
	
	switch(statit){
	 
	 case "ovr":
	 plusa=navit+1;//
	 navadjust="roll"+plusa;
	 document.getElementById(navadjust).src=preloads[navit].src;
	 break
	 case "off":
	 plusa=navit+1;//
	 navadjust="roll"+plusa;
     if(typeofnav == "short"){
		
	 document.getElementById(navadjust).src=navimagedir+navimagen[navit]+fileender;}
	 else 
	 {document.getElementById(navadjust).src=navimagedir+navimagen[navit];}
	 break	 
	 
	 }
}

function submenushow(muym,whcsub){
	//alert(whcsub)
	if (whcsub == 2){
	document.getElementById("subnav1").style.display=muym;
	document.getElementById("subnav2").style.display=muym;}
	 if(whcsub == 3){
		document.getElementById("subnav3").style.display=muym;
		}
	 if(whcsub == 4) 
	{ //alert(whcsub)
	document.getElementById("subnav4").style.display=muym;}
	
	}
preloadimgs ();