/* basket and product detail quantity changer */
function qty_plus(whichLayer, max) {
	var qty = document.getElementById(whichLayer);
	
	if (!max) {
		max = 99;
	}
	
	if (qty.value < max) {
		qty.value = parseInt(qty.value) + 1;
	}
}

function qty_minus(whichLayer, min) {
	var qty = document.getElementById(whichLayer);
	
	if (!min) {
		min = 0;
	}
	
	if (qty.value > min) {
		qty.value = parseInt(qty.value) - 1;
	}
}

/*
Simple Image Trail script- By JavaScriptKit.com
Visit http://www.javascriptkit.com for this script and more
This notice must stay intact
*/

var offsetfrommouse=[15,15]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
var displayduration=0; //duration in seconds image should remain visible. 0 for always.
var currentimageheight = 270;	// maximum image size.

if (document.getElementById || document.all){
	document.write('<div id="trailimageid">');
	document.write('</div>');
}

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

function gettrailobjnostyle(){
	
	if (document.getElementById) {
		return document.getElementById("trailimageid");
	}
	else if (document.all) {
		return document.all.trailimagid;
	}
	return '';
}

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

function showtrail(title,description,currentimageheight) {
	document.onmousemove=followmouse;

	newHTML = '<div class="info_box">';
	newHTML = newHTML + '<h2>' + title + '</h2>';
	newHTML = newHTML + description + '<br/>';

	newHTML = newHTML + '</div>';
	gettrailobjnostyle().innerHTML = newHTML;
	gettrailobj().display="inline";
}


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

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"){ // firefix
		xcoord = e.pageX - xcoord - 160; // Move to the left side of the cursor
		ycoord += e.pageY - 10;
	} else if (typeof window.event != "undefined"){ // ie
		xcoord = event.clientX + truebody().scrollLeft - xcoord - 160; // Move to the left side of the cursor
		ycoord += truebody().scrollTop + event.clientY - 10;
	}

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.max(truebody().scrollHeight, truebody().clientHeight) : Math.max(document.body.offsetHeight, window.innerHeight)
		if(ycoord < 0) { ycoord = ycoord*-1; }
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"
}
/* END Simple Image Trail */

function textCounter(field, countfield, maxlimit) {
	if (field.value.length > maxlimit) // if too long...trim it!
		field.value = field.value.substring(0, maxlimit);
	// otherwise, update 'characters left' counter
	else 
		document.getElementById(countfield).innerHTML = maxlimit - field.value.length;
}

function toggleLayer(whichLayer) {
	if (document.getElementById) {
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
		style2.display = style2.display? "":"block";
		}
	else if (document.all) {
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
		style2.display = style2.display? "":"block";
		}
	else if (document.layers)	{
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
		style2.display = style2.display? "":"block";
		} // if
	}	
	
function showCard(cardId) {
	var card = document.getElementById(cardId+"_card").style;
	card.display = "block";
	}	
function hideCard(cardId) {
	var card = document.getElementById(cardId).style;
	card.display = "none";
	}