// JScript File


function swapImage(imgName, newSrc) {
	document.images(imgName).src = newSrc;
}


function appendString() {
	var urlstr = 'http://maps.google.com?f=d&hl=en&saddr=' + form_google.textbox_address.value + '+' + form_google.textbox_city.value + '+' + form_google.list_state.value + '+' + form_google.textbox_zip.value + '&daddr=' + form_google.daddr.value
	window.open(urlstr)
}


function setImageVisible(obj, image_path) {

    if(document.getElementById('div_image_popup').style.visibility == 'visible'){
	    document.getElementById('div_image_popup').style.visibility = 'hidden';
	}

    document.getElementById('image_popup').src = image_path;

    windowHeight = document.body.offsetHeight
    windowWidth = document.body.offsetWidth
    
    brwserleft = (windowWidth/2) - 200
    brwsertop =  (windowHeight/4) + 100
	obj = document.getElementById(obj);
	
	if(obj.style.visibility == 'visible'){
	    obj.innerHTML = ''
	}
	
	obj.style.left = brwserleft;
	obj.style.top = brwsertop;
	obj.style.visibility = 'visible';
	
}


function setInVisible(obj) {
	obj = document.getElementById(obj);
	obj.style.visibility = 'hidden';
}


var offsetfrommouse=[15,15]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset


function showtrail(imagename,height,filetype){
	
	if (height > 0){
		currentimageheight = height;
	}

	document.onmousemove=followmouse;

	newHTML = '<div style="padding: 5px; background-color: #FFFFFF; border: 1px solid #888;">';
	newHTML = newHTML + '<img src="' + imagename + '" border="0">';
	newHTML = newHTML + '</div>';
	
	gettrailobjnostyle().innerHTML = newHTML;
	gettrailobj().display="inline";
	
}


function followmouse(e){

	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < 380){
			xcoord = e.pageX - xcoord - 400; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < (currentimageheight + 110)){
			ycoord += e.pageY - Math.max(0,(110 + currentimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < 380){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - 400; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (currentimageheight + 110)){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(110 + currentimageheight + event.clientY - docheight));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}

	if(ycoord < 0) { ycoord = ycoord*-1; }
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}


function truebody(){
    return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}


function gettrailobj(){
    if (document.getElementById) {
        return document.getElementById("div_popup").style
    }
    else if (document.all) {
        return document.all.trailimagid.style
    }
}

function gettrailobjnostyle(){
    if (document.getElementById) {
        return document.getElementById("div_popup")
    }
    else if (document.all) {
        return document.all.trailimagid
    }
}


function hidetrail(){
	gettrailobj().innerHTML = " ";
	gettrailobj().display="none"
	document.onmousemove=""
	gettrailobj().left="-500px"
}