var dom = document.getElementById ? true:false;
var ns4 = document.layers ? true:false;
var ie4 = document.all ? true:false;
var mac = navigator.appVersion.indexOf('Mac')!=-1 ? true:false;

function preload(imgObj,imgSrc) {
	eval(imgObj+" = new Image()");
	eval(imgObj+".src = '"+imgSrc+"'");
}

function changeImg(imgObj,imgSrc) {
	if (navigator.appVersion >= "3") {
		var imatge = eval(imgSrc+".src");
		document.images[imgObj].src = imatge;
	}
}

function blurLinks() {
	if (dom) {
		lnks = document.getElementsByTagName('a');
		for (i=0;i<lnks.length;i++) {
			lnks[i].onfocus = new Function("if(this.blur) this.blur()");
		}
	} else if (ie4) {
		for (var i in document.links) {
			document.links[i].onfocus = document.links[i].blur;
		}
	}
}

function afegir(id) {
	var n = eval("document.forms.form_"+id+".n.value");
	var p = eval("document.forms.form_"+id+".p.value");
	var q = eval("document.forms.form_"+id+".q.value");
	var c = eval("document.forms.form_"+id+".colour.value");
	var s = eval("document.forms.form_"+id+".size.value");
	var url = "add_to_basket.php?id="+id+"&n="+n+"&p="+p+"&q="+q+"&c="+c+"&s="+s;
	document.getElementById("iframe_box").src = url;
}

function visionarColShop(id) {
	foto_activa = 1;
	var imatge = '<img src="images/collections/g/'+id+'_1.jpg" width="240" height="499" alt="" />';
	if (array_addtobasket[id]) {
		var addtobasket = '<a href="javascript:afegir('+id+')" class="vermell"><strong>'+text_addtobasket+'</strong></a>';
	} else {
		var addtobasket = '<strong>'+text_aoutofstock+'</strong>';
	}
	if (dom) {
		document.getElementById('visorDiv').innerHTML = imatge;
		document.getElementById('addtobasketDiv').innerHTML = addtobasket;
		document.getElementById('colorainesDiv').innerHTML = array_colors[id];
	} else if (ie4) {
		visorDiv.innerHTML = imatge;
		addtobasketDiv.innerHTML = addtobasket;
		colorainesDiv.innerHTML = array_colors[id];
	}
	if (item_actiu!=0) {
		document.getElementById('item'+item_actiu+'Div').style.display = "none";
	}
	document.getElementById('item'+id+'Div').style.display = "";
	item_actiu = id;
}

function visionarCol(id) {
	foto_activa = 1;
	var imatge = '<img src="images/collections/g/'+id+'_1.jpg" width="240" height="499" alt="" />';
	if (dom) {
		document.getElementById('visorDiv').innerHTML = imatge;
		document.getElementById('cosDiv').innerHTML = array_cossos[id];
		document.getElementById('colorainesDiv').innerHTML = array_colors[id];
	} else if (ie4) {
		visorDiv.innerHTML = imatge;
		cosDiv.innerHTML = array_cossos[id];
		colorainesDiv.innerHTML = array_colors[id];
	}
}

function canviarVistaCol(id) {
	foto_activa += 1;
	if (foto_activa>array_max_fotos[id]) {
		foto_activa = 1;
	}
	var imatge = '<img src="images/collections/g/'+id+'_'+foto_activa+'.jpg" width="240" height="499" alt="" />';
	if (dom) {
		document.getElementById('visorDiv').innerHTML = imatge;
	} else if (ie4) {
		visorDiv.innerHTML = imatge;
	}
}

function ampliarItem(what,id,foto) {
	aloewindow = eval("window.open('ampliar.php?what="+what+"&col="+col+"&id="+id+"_"+foto+"','aloewindow','toolbar=0,directories=0,status=0,menubar=0,maximize=1,scrollbars=0,width=414,height=860,left=-50,top=0,posx=0,posy=0')");
}

function ampliarItemPress(what,id,foto) {
	aloewindow = eval("window.open('ampliar.php?what="+what+"&col="+id+"&id="+foto+"','aloewindow','toolbar=0,directories=0,status=0,menubar=0,maximize=1,scrollbars=0,width=414,height=860,left=-50,top=0,posx=0,posy=0')");
}