jQuery(document).ready(function() {
	jQuery.preloadImages = function() {
		for(var i = 0; i<arguments.length; i++) {
			jQuery("<img>").attr("src", arguments[i]);
		}
	}
	
	jQuery.preloadImages("/space/images/nav_0.gif","/space/images/nav_1.gif","/space/images/nav_2.gif","/space/images/nav_3.gif","/space/images/nav_4.gif","/space/images/nav_5.gif","/space/images/nav_6.gif","/space/images/nav_0.png","/space/images/nav_1.png","/space/images/nav_2.png","/space/images/nav_3.png","/space/images/nav_4.png","/space/images/nav_5.png","/space/images/nav_6.png");
	
	// set on state for page
	var divBg=jQuery(".hdrNav.navStars");
	var currPage=location.href;
	if (currPage.indexOf("/mission")>1) {
		divBg.addClass("nav_0");
	} else if (currPage.indexOf("/friendship7")>1) {
		divBg.addClass("nav_1");
	} else if (currPage.indexOf("/apollo11")>1) {
		divBg.addClass("nav_2");
	} else if (currPage.indexOf("/sts7")>1) {
		divBg.addClass("nav_3");
	} else if (currPage.indexOf("/mae_jemison")>1) {
		divBg.addClass("nav_4");
	} else if (currPage.indexOf("/space_firsts")>1) {
		divBg.addClass("nav_5");
	} else if (currPage.indexOf("/make_timeline")>1) {
		divBg.addClass("nav_6");
	} else {
		divBg.addClass("nav_Off");
	}
	
	jQuery("#navMap area").each(function () {
		var areaId=jQuery(this).attr("id");
		var coords=jQuery(this).attr("coords");
		var url=jQuery(this).attr("href");
	
		var linkId=areaId.substring(areaId.indexOf("_")+1, areaId.length);
		var arrCoords=coords.split(",");
		var coords_x=arrCoords[0];
		var coords_y=arrCoords[1];
		var imgSrc="";
		var imgXdiff=imgYdiff=0;
		var imgBgOld=imgBgNew='';
		var iFloater='';
//		alert(linkId);
		
		// check section index
		if (linkId.indexOf("_0")>1) {
			if (linkId=="nav0_0") {
//				imgOverlaySrc="/space/images/nav_0.png";
			} else if (linkId=="nav1_0") {
//				imgOverlaySrc="/space/images/nav_1.png";
			} else {
//				imgOverlaySrc="/space/images/nav_2.png";
			}
jQuery("#"+linkId).css("text-indent","-1000px");
		} else {
			imgSrc="/space/images/nav_dot_sm.png";
			imgXdiff=imgYdiff=16/2;
			iFloater=jQuery("<a></a>").attr("id","anchor_"+linkId).attr("class","nav3");
			jQuery("<img>").attr("src",imgSrc).attr("class","navFloater").appendTo(iFloater);
			jQuery("#"+linkId+" a").replaceWith(iFloater);
			jQuery("#"+linkId).css({position:"absolute",
								   top:coords_y-imgYdiff+"px",
								   left:coords_x-imgXdiff+"px",
								   display:"block"});
			
			/*jQuery("#"+linkId).css("position","absolute");
			jQuery("#"+linkId).css("top",coords_y-imgYdiff+"px");
			jQuery("#"+linkId).css("left",coords_x-imgXdiff+"px");
			jQuery("#"+linkId).css("display","block");*/
			
			jQuery("#"+linkId).hide();
		}

		if (currPage.indexOf(url)>1) {
			jQuery("#"+linkId).show();
		}

		jQuery(this).mouseover(function () {
			if ((url.indexOf("/mission")>1) && (currPage.indexOf("/mission")<1)) {
				imgOverlaySrc="/space/images/nav_0.png";
			} else if ((url.indexOf("/friendship7")>1) && (currPage.indexOf("/friendship7")<1)) {
				imgOverlaySrc="/space/images/nav_1.png";
			} else if ((url.indexOf("/apollo11")>1) && (currPage.indexOf("/apollo11")<1)) {
				imgOverlaySrc="/space/images/nav_2.png";
			} else if ((url.indexOf("/sts7")>1) && (currPage.indexOf("/sts7")<1)) {
				imgOverlaySrc="/space/images/nav_3.png";
			} else if ((url.indexOf("/mae_jemison")>1) && (currPage.indexOf("/mae_jemison")<1)) {
				imgOverlaySrc="/space/images/nav_4.png";
			} else if ((url.indexOf("/space_firsts")>1) && (currPage.indexOf("/space_firsts")<1)) {
				imgOverlaySrc="/space/images/nav_5.png";
			} else if ((url.indexOf("/make_timeline")>1) && (currPage.indexOf("/make_timeline")<1)) {
				imgOverlaySrc="/space/images/nav_6.png";
			} else {
				imgOverlaySrc="/space/images/spacer.gif";
			}
			jQuery(".navStars img.navOverlay").attr("src",imgOverlaySrc);
			jQuery("#"+linkId).show();

		}).mouseout(function () {
			jQuery(".navStars img.navOverlay").attr("src","/space/images/spacer.gif");
			jQuery("#"+linkId).hide();
			if (currPage.indexOf(url)>1) {
				jQuery("#"+linkId).show();
			}
		});
	

	});
	
	jQuery("#form1").submit(function() {
		if (jQuery("input[@name='yes']").attr("checked")==true) {
			window.location="friendship7/index.htm";
			return true;
		}
		jQuery("#errMsg").show();
		jQuery("#initCopy").hide();
		return false;

	});

	jQuery(".navPaging a img").each(function() {
	var iOld=jQuery(this).attr("src");
	var iNew=iOld.replace("_0","_1");
	var iOldBar=jQuery(".vBar").attr("src");
	var iNewBar=iOldBar.replace("_0","_1");
		jQuery(this).hover(function() {
			jQuery(this).attr("src",iNew);
			jQuery(".vBar").attr("src",iNewBar);
		},function() {
			jQuery(this).attr("src",iOld);
			jQuery(".vBar").attr("src",iOldBar);
		});
	});
	
	jQuery("img.button").each(function() {
	var iOld=jQuery(this).attr("src");
	var iNew=iOld.replace("_0","_1");
		jQuery(this).hover(function() {
			jQuery(this).attr("src",iNew);
		},function() {
			jQuery(this).attr("src",iOld);
		});							
	});
});


function pop(path,name,features) {
	popWindow = window.open(path,name,features);
	popWindow.focus();
}