var bV=parseInt(navigator.appVersion);
NS4=(document.layers) ? true : false;
IE4=((document.all)&&(bV>=4))?true:false;

   ver4 = (NS4 || IE4) ? 1 : 0;
function donothing() { return }

if (document.images) {
    arImLoad = new Array (
		"images/i_aboutup",
        "images/i_aboutover",
        "images/i_aboutdown",
		"images/i_nioxminoup",    
		"images/i_nioxminoover",    
		"images/i_nioxminodown",
        "images/i_quireadup",
        "images/i_quireadover",
        "images/i_quireaddown",
		"images/i_datMicup",
        "images/i_datMicover",
        "images/i_datMicdown",
        "images/i_TruScreenup",
        "images/i_TruScreenover",
        "images/i_TruScreendown",
        "images/i_orderup",
        "images/i_orderup",
        "images/i_orderup"           
      
        
        
      		
    );

    arImList = new Array ();
    for (counter in arImLoad) {
        arImList[counter] = new Image();
        arImList[counter].src = arImLoad[counter] + ".gif";
    }

}
function clickLoop(except){
	var excepthid = "hid" + except;
		for(i=0; i<document.images.length; i++){
		var icurr = document.images[i]
		var icurrname = document.images[i].name
			if (icurrname.substring(0,2) == 'i_'){
			var curr = document.getElementById("hid"+icurrname)
				if (curr.name != excepthid){
				curr.value='0';
				icurr.src = "images/" + icurr.name + "up.gif";
				}
		}
	}
}
function rollClick(imName) {
	whichIm = document.images[imName];
	if (imName.substring(0,2) == 'i_'){
	var stat="hid" + imName;
	document.getElementById(stat).value = '1';
	clickLoop(imName);
	whichIm.src =  "images/" + imName + "down.gif";
	}
}
        
    function rollOver(imName,over) {
	if (!document.images) {return};
        whichIm = document.images[imName];
        var stat="hid" + imName;
        if (document.getElementById(stat).value == '0'){
        if (over) { whichIm.src = "images/" + imName + "over.gif" }
             else { whichIm.src =  "images/" + imName + "up.gif" }
             }
    }

    function rollPress(imName,down) {
        whichIm = document.images[imName];
        var stat="hid" + imName;
         if (document.getElementById(stat).value  == '0'){
        if (down) { whichIm.src =  "images/" + imName + "down.gif" }
             else { whichIm.src =  "images/" + imName + "over.gif" }
             }
    }


 function elmLoop1(){

var theForm = document.forms[0]
	for(i=0; i<document.images.length; i++){
	var icurr = document.images[i]
		var icurrname = document.images[i].name
		if (icurrname.substring(0,2) == 'i_'){
		var curr = document.getElementById("hid"+icurrname)

			if (curr.value == '1'){
			icurr.src = "images/" + icurr.name + "down.gif";
			}
		}
	}
}