if (typeof(wsZoom)=="undefined") wsZoom={};
wsZoom.templates=new Array("t","s","m","l","o");
wsZoom.instances=new Array();
wsZoom.link=function(sImgURL,newTemplate,oldTemplate) {
	imgURL=sImgURL.toString();
	var idx=imgURL.indexOf(".jpg")-1;
	if (typeof(oldTemplate)=="undefined") oldTemplate=imgURL.substring(idx,idx+1);
	newTemplate=newTemplate.toString().toLowerCase();
	oldTemplate=oldTemplate.toString().toLowerCase();	
	imgURL=imgURL.replace("/"+oldTemplate+"/","/"+newTemplate+"/");
	imgURL=imgURL.replace("_"+oldTemplate+".jpg","_"+newTemplate+".jpg");
	imgURL=imgURL.replaceAll(" ","%20");
	//alert(sImgURL+'\n'+idx+' :: '+oldTemplate+' --> '+newTemplate+'\n\n'+imgURL);
	return(imgURL);
}
wsZoom.add=function(productDisplayID,targetClientID,thumbsClientID,infoID,zoomEnabled) {
	wsZoom.instances[wsZoom.instances.length]=new Array(productDisplayID,targetClientID,thumbsClientID,infoID,zoomEnabled);
	wsZoom.setup(productDisplayID);	
}
wsZoom.getInstance=function(productDisplayID) {
	for (j=0; j<wsZoom.instances.length; j++) 
		if (wsZoom.instances[j][0] == productDisplayID)
			return(wsZoom.instances[j]);	
}
wsZoom.setup=function(productDisplayID) {
	oInstance=wsZoom.getInstance(productDisplayID);
	thumbsObj=document.getElementById(oInstance[2]);
	infoObj=document.getElementById(oInstance[3]);	
	numAltImages=0;
	for (j=0; j<wsZoom.altImages.length; j++) 
		if (wsZoom.altImages[j][0]==productDisplayID) 
			numAltImages++;
	
	if (oInstance[4]==false)
		infoObj.style.display="none";
	
	if (numAltImages == 0 ) {
		
	} else if (numAltImages > 1) {
		ihtml="<div class='zoomImgTitle'>Product Views:</div>";
		for (i=0; i<wsZoom.altImages.length; i++)
			if ( wsZoom.altImages[i][0]==productDisplayID )
				ihtml+="<a class='zoomAltImg' href=\"javascript:wsZoom.updateZoom('"+oInstance[0]+"','"+wsZoom.link(wsZoom.altImages[i][1],'l')+"');\"><img src='"+wsZoom.link(wsZoom.altImages[i][1],'t')+"' alt='Click to View' /></a>";
		thumbsObj.innerHTML=ihtml;
	}  else {
		thumbsObj.style.display="none";		
	}
}
wsZoom.updateZoom = function(productDisplayID,swatch) {
	oInstance=wsZoom.getInstance(productDisplayID);
	if (oInstance[4]==true) { 
		MagicZoomPlus.update(oInstance[1], wsZoom.link(swatch,"o"), swatch, 'show-title: false;show-loading:true;');	
	}
	else {
		//MagicZoomPlus.update(oInstance[1], null, swatch, 'show-title:false;disable-zoom:true;show-loading:false;');		
		document.getElementById(oInstance[1]).firstChild.src=swatch;
	}
}