function load(url)
{
	var load = window.open(url,'','scrollbars=yes,menubar=no,height=600,width=800,resizable=yes,toolbar=no,location=no,status=no');
}

function calculate(redeem,qty)
{	
	// update textbox values
	document.getElementById("amount").value = redeem*qty;
}

function showTable(element,link){
	
	if(!$(element))
		return false;
	
	(link.innerHTML == "view duplicates") ? $(link).update('hide duplicates'): $(link).update('view duplicates');
	Effect.toggle(element,'blind',{duration:0.5});
	
}

function showPopUp(element){

	if(!$(element))
		return false;
	
	if($(element).style.display == "none"){
		var maxHeight = parseFloat($(element).getStyle('max-height'));
		var marginTop = -1 * ($(element).getHeight() > maxHeight) ? (maxHeight/2) : ($(element).getHeight()/2);
		var offsets = $('maincontent').cumulativeScrollOffset();
		var newMargin = marginTop + offsets.top + "px";
		$(element).setStyle({'marginTop':newMargin});
	
		Effect.Appear(element,{duration:0.5});
	} else {
		Effect.Fade(element,{duration:0.5});
	}

}