//button image names
var buttons = new Array("aboutus","install","gallery","estimate","specials","faq");

var imgs = new Array;
for(i=0;i<6;i++){
	//preload images
	imgs[i] = new Array;
	imgs[i][0] = new Image;
	imgs[i][0].src = 'images/nav/'+buttons[i]+'_blue.gif';
	imgs[i][1] = new Image;
	imgs[i][1].src = 'images/nav/'+buttons[i]+'_gray.gif';
	}


var imgObj;
function over(imgNum) {

	//reset all images
	menuClosingFunction();

	//image object
	if(ns4) { imgObj = document.layers["navlayer"].document.images["b"+imgNum]; }
	else { imgObj = document.images["b"+imgNum]; }

	//change image
	imgObj.src = imgs[imgNum][1].src;

	//find position of image
	xPos = getRealLeft(imgObj);
	yPos = getRealTop(imgObj);

	//activate menu with returned co-ordinates
	if(menuReadyState) { activateMenu(imgNum,xPos,yPos+4+imgObj.height); }
	}

function menuClosingFunction() {
	//reset all images
	for(i=0;i<6;i++){
		if(ns4) { imgObj = document.layers["navlayer"].document.images["b"+i]; }
		else { imgObj = document.images["b"+i]; }
		imgObj.src = imgs[i][0].src;
    
		}
	}

var popWinbig = null;
function popupbig(img,title,w,h) {  
	menuClosingFunction();
  CloseNewWin1();
  popWinbig = window.document.open('','popWindow','toolbar=no,resizable=yes, scrollbars=no, width='+w+',height='+h+',top=0,left=0')
	popWinbig.document.write("<html><head><title>"+title+"</title></head><body bgcolor='#003466'><div align='center' style='font-family:verdana;color:#ffffff'><b>"+title+"</b></div><p><table border='1' cellpadding='0' cellspacing='10' align='center' bordercolor='#fffff'><tr>")
	popWinbig.document.writeln("<td align='center' valign='middle'><img src=" + img)
	popWinbig.document.write("></td></table><p align='center'><a href='javascript:self.close()' target='_self'><font face='verdana' size='2' color='#ffffff'>Close</font></a></body></html>")
	if(popWinbig.focus){popWinbig.focus();}
}


function CloseNewWin1() {
  if(popWinbig!=null && popWinbig.open){
    popWinbig.close();
 }
}
//window.onfocus=CloseNewWin1;