var arNewImgPath = new Array("images/menu/menu_home-on.gif",
							"images/menu/menu_about-on.gif",
							"images/menu/menu_contact-on.gif");
var arNewImgObj = new Array();
        function myPreloadImages()
        {
		for(var i = 0; i < arNewImgPath.length; i++)
		{
			arNewImgObj[i] = new Image();
			arNewImgObj[i].src = arNewImgPath[i];
		}
        }
	
	function myImageSwap(strImgObjName, strNewImgPath)
	{
		document.images[strImgObjName].src = strNewImgPath;
	}
	function selectfont(titlesize){  
 if(!document.styleSheets) return;
 

 for(var i=0; i<document.styleSheets.length; i++)
  document.styleSheets[i].title == titlesize ?
   document.styleSheets[i].disabled=false : document.styleSheets[i].disabled=true;
}

function jump(selectlist){
	window.open(selectlist, "_top")
}


function jumpMenu(selectlist){
location=(selectlist.options
[selectlist.selectedIndex].value);
}

function checkrev(form){

  for(i=0;i<form.elements.length;i++) {
  	if (form.elements[i].type=="checkbox"){
	    if(form.elements["delete"].checked) {
	      form.elements[i].checked = true;
	    }
	    else {
	      form.elements[i].checked = false;
	    }
	   }
  }
}