// JavaScript Document
var img1 = new Image().src = "images/pt_Montbretia.gif"
var img2 = new Image().src = "images/pt_Fucshia.gif"
var img3 = new Image().src = "images/pt_Wild_Flower.gif"
var img4 = new Image().src = "images/pt_Bluebell.gif"
var img5 = new Image().src = "images/pt_Iris.gif"
var img6 = new Image().src = "images/pt_Connamara.gif"

function setImage(imageSelect, prodId) {
 
 theImageIndex = imageSelect.options[imageSelect.selectedIndex].value;
 if (document.images)
     document.getElementById("pt_" + prodId).src = eval("img" + theImageIndex);
}

function updatePatterns() {
	var imgs,i, imageTagArray;
// loop through all images of the document
	dropdowns=document.getElementsByTagName('select');
 	for(i=0;i<dropdowns.length;i++) {
		if(dropdowns[i].id != '') {
			imageTagArray = dropdowns[i].id.split('_');
			if(imageTagArray[0] == 'dd') {
				
				document.getElementById('pt_' + imageTagArray[1]).src=eval('img' + document.getElementById('dd_' + imageTagArray[1]).value);
			}
		}
 	}
}