function ValidateBidPrice(bid_amount,mylastbid,maxbid,minincrease,proxy,initial_price)
{

   if (parseFloat(bid_amount.value)<=0 || isNaN(parseFloat(bid_amount.value))){
	   alert(language["bid_err_empty_bid"]);
	   return false;

   }
	if(parseFloat(maxbid.value)>0){
		accepted_price = parseFloat(maxbid.value) + parseFloat(minincrease.value);
		if(accepted_price>parseFloat(bid_amount.value)){
			alert(language["bid_err_increase"]+' ' + accepted_price + ' ' + auction_currency);
			return false;
		}
	}
	if(parseFloat(mylastbid.value)>0){
		accepted_price = parseFloat(mylastbid.value) + parseFloat(minincrease.value);
		if(accepted_price>parseFloat(bid_amount.value)){
			alert(language["bid_err_must_be_greater_mybid"]+' ' + accepted_price + ' ' + auction_currency);
			return false;
		}
	}
	if(parseFloat(initial_price.value)>0){
		accepted_price = parseFloat(initial_price.value);
		if(accepted_price>parseFloat(bid_amount.value)){
			alert(language["bid_err_must_be_greater"]+' ' + accepted_price + ' ' + auction_currency);
			return false;
		}
	}
	return true;

}
function FormValidate(form)
{

	var initial_price = form.elements['initial_price'];
	var terms =  form.elements['agreement'];
	var bin = form.elements['bin_price'];
	var mylastbid =  form.elements['mylastbid'];
	var minincrease =  form.elements['min_increase'];
	var maxbid = form.elements['maxbid'];
	var proxy = form.elements['prxo'];
	var bid_amount= form.elements['amount'];
// verify if Terms and conditions are checked

	if( must_accept_term && !terms.checked){
		alert(language["bid_err_terms"]);
		return false;
	}
//the bid must be greater than mylastbid and greater then lastbid
	if(!ValidateBidPrice(bid_amount,mylastbid,maxbid,minincrease,proxy,initial_price)){
		return false;
	}
	if (parseFloat(bin.value)>0){
		if( parseFloat(bid_amount.value) >= parseFloat(bin.value)) {
			//greater then BIN - Warn
			var answer = confirm(language["bid_bid_greater_than_bin"]);
			if(answer == 0) return false;
		}
	}
	return true;

}

function SelectTab()
{

    if (document.location.hash=='#messages' && tabPane1.pages.length>1){
         tabPane1.setSelectedIndex(tabPane1.pages.length-1);
    }
    if (document.location.hash=='#bid' && tabPane1.pages.length>2){
         tabPane1.setSelectedIndex(1);
    }
    if (document.location.hash=='#bid_list' && tabPane1.pages.length>2){
         tabPane1.setSelectedIndex(tabPane1.pages.length-2);
    }
}
function MakeBinBid(url)
{
	
	var lang_confirm = language["bin_js_alert"];
	if(has_quantity){
		lang_confirm = language["bin_js_alert_q"];
		lang_confirm = lang_confirm.replace("NITEMS",document.getElementById("system_bin_quantity").value);
		lang_confirm = lang_confirm.replace("VALUE",document.getElementById("bin_button").value);
	}
    if (!confirm(lang_confirm)) return false;
    var q = document.getElementById('system_bin_quantity').value;
    window.location=url+"&quantity="+q;
}
function SendMessage(link,message_id,bidder_id,username)
{
    if (!bidder_id) bidder_id=0;
    if (!message_id) message_id=0;

    if (link) link.style.display='none';

    document.getElementById('bidder_id').value=bidder_id;
    document.getElementById('idmsg').value=message_id;
    if (tabPane1.pages.length>1){
         tabPane1.setSelectedIndex(tabPane1.pages.length-1);
    }
    document.getElementById('msg').style.display='block';
    document.getElementById('message_to').innerHTML=username;
    document.getElementById('message').focus();
}
function ProxyClick(checkbox)
{

    if(checkbox.checked) {
            document.getElementById('bid').innerHTML=language["bid_maxpp"];
            document.getElementById('prxo').value=1;
    } else{
         document.getElementById('prxo').value=0;
         document.getElementById('bid').innerHTML=language["bid_bid_price"];
    }
}

// Since 1.6.6
//
function suggestPrice(){
 	var d = document.getElementById('bid_suggest').value;
	if(d)
		document.form_suggestPrice.submit();
	else
		alert(language["bid_err_empty_suggest"]);	
}


function suggestThisPrice(){
 	
 	var d = document.getElementById('form_bid_suggest').value;
	if(d)
		document.form_suggestPrice.submit();
	else
		alert(language["bid_err_empty_suggest"]);	
}


function refreshSuggestPrice(){
	
	total = document.getElementById('bid_suggest').value * document.getElementById('system_quantity').value;
	
	document.getElementById("bid_suggest_total").innerHTML=total;
	
}

function refreshSuggestList_Price(total, quantity, someId){
	
	total = total * quantity;
	document.getElementById(someId).innerHTML=total;
	
}