if (document.images) {
	
	var intermenu1on = new Image();          
      intermenu1on.src ="../images/internal/in-memb-button-over.jpg";     
      var intermenu1off = new Image();          
      intermenu1off.src ="../images/internal/in-memb-button.jpg";  
      
	var intermenu2on = new Image();          
      intermenu2on.src ="../images/internal/in-conf-button-over.jpg";     
      var intermenu2off = new Image();          
      intermenu2off.src ="../images/internal/in-conf-button.jpg";  
      
	var intermenu3on = new Image();          
      intermenu3on.src ="../images/internal/in-pubc-button-over.jpg";     
      var intermenu3off = new Image();          
      intermenu3off.src ="../images/internal/in-pubc-button.jpg";  
      
	var intermenu4on = new Image();          
      intermenu4on.src ="../images/internal/in-awrd-button-over.jpg";     
      var intermenu4off = new Image();          
      intermenu4off.src ="../images/internal/in-awrd-button.jpg";  
      
	var intermenu5on = new Image();          
      intermenu5on.src ="../images/internal/in-link-button-over.jpg";     
      var intermenu5off = new Image();          
      intermenu5off.src ="../images/internal/in-link-button.jpg";      
      
	var interword1on = new Image(); 
      interword1on.src ="../images/internal/in-memb-title-over.jpg";
 	var interword1off = new Image(); 
      interword1off.src ="../images/internal/in-memb-title.jpg";     
      
      var interword2on = new Image(); 
      interword2on.src ="../images/internal/in-conf-title-over.jpg";
       var interword2off = new Image(); 
      interword2off.src ="../images/internal/in-conf-title.jpg";
      
      var interword3on = new Image(); 
      interword3on.src ="../images/internal/in-pubc-title-over.jpg";           
      var interword3off = new Image(); 
      interword3off.src ="../images/internal/in-pubc-title.jpg";
      
      var interword4on = new Image(); 
      interword4on.src ="../images/internal/in-awrd-title-over.jpg";
      var interword4off = new Image(); 
      interword4off.src ="../images/internal/in-awrd-title.jpg";      
      
      var interword5on = new Image(); 
      interword5on.src ="../images/internal/in-link-title-over.jpg";
      var interword5off = new Image(); 
      interword5off.src ="../images/internal/in-link-title.jpg";      

}

function mnuOn(imgNo) {
	if (document.images) {
		var mnuName = "menu" + imgNo;
		var mnuWord = "title" + imgNo;
		document.images[mnuName].src = eval("intermenu" + imgNo + "on.src");
		document.images[mnuWord].src = eval("interword" + imgNo + "on.src");
	}
}

function mnuOff(imgNo) {
	if (document.images) {
		var mnuName = "menu" + imgNo;
		var mnuWord = "title" + imgNo;
		document.images[mnuName].src = eval("intermenu" + imgNo + "off.src");
		document.images[mnuWord].src = eval("interword" + imgNo + "off.src");
	}
}