function validateSize() {

	if (document.getElementById('option1')) {	
	
		var size;
		size=document.getElementById('option1');
		var message;
		message=document.getElementById('sizemessage');

		if (size.type=='select-one') {	
			if (size.options[size.selectedIndex].text=='- Select -'||size.options[size.selectedIndex].text=='') {
				message.style.display='block';
				//alert('Please select a size');
				return false;
			} else {
				message.style.display='none';
				return true;
			}
		}
	}

}

function updateSize() {

}

function runFuncs(param) {
	if(checkform(param)) {
		openMessage();
		return true;
	} else {
		return false;
	}
}

function openMessage() {
	document.getElementById('uploadmsg').style.display='Block';
}

function body_onload() {
	initProductPage();
}

function swapImage(mainimg,largeimg) {
	document.getElementById('medium-image').src=mainimg;
	document.getElementById('zoom-image').src=largeimg;
}