function UpdateShippingCost(newval){





current = document.getElementById('shippingcost').value;



document.getElementById('shippingcost').value = (newval*1+current*1)-document.getElementById('curentshippingcost').value*1;



document.getElementById('curentshippingcost').value = newval*1;





	

}



function toggleLayer( whichLayer )

{

  var elem, vis;

  if( document.getElementById ) 

    elem = document.getElementById( whichLayer );

  else if( document.all ) 

      elem = document.all[whichLayer];

  else if( document.layers ) 

    elem = document.layers[whichLayer];

  vis = elem.style;



  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';  vis.display = (vis.display==''||vis.display=='block')?'none':'block';

}



function CheckoutAlert(text, CheckoutLink){



var answer = confirm (text)

if (answer)

window.location= CheckoutLink;





}

 

function HideCheckoutBtn(whichLayer){

 

  var elem, vis;

  if( document.getElementById ) 

    elem = document.getElementById( whichLayer );

  else if( document.all ) 

      elem = document.all[whichLayer];

  else if( document.layers ) 

    elem = document.layers[whichLayer];

  vis = elem.style;



  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'none':'none';  vis.display = (vis.display==''||vis.display=='none')?'none':'none';



} 



function CheckRemaindingQty(total){



	FindQty = $("#CustomQty").text();

	if(FindQty ==""){ FindQty=1; }

	

	ThisQty = document.getElementById('QtyTotal').value; 

	Remain = FindQty*1 + ThisQty*1;

	

	document.getElementById('QtyTotal').value = Remain ;

	 

	if( (  total*1 - Remain*1  ) < 1){

	

	HideCheckoutBtn('BuyButton');

	HideCheckoutBtn('displayQtyField');

	

	}



	// UPDATE THE QTY LISTBOX

	if(total > 2){

		changeList(document.getElementById('UpdateQtyBox'),total,document.getElementById('UpdateQtyBox').value); 

	}



}



function ChangeCustomShip(val){



 document.getElementById('CustomShipping').innerHTML = val;

}



function ChangeCustomSize(val){

 

 document.getElementById('CustomSize').innerHTML = val;



}



function ChangeCustomQty(val){



  document.getElementById('CustomQty').innerHTML = val;



}



function ChangeCustomColor(val){



 document.getElementById('CustomColor').innerHTML = val;



}



function bookmark_us(url, title){



if (window.sidebar) // firefox

    window.sidebar.addPanel(title, url, "");

else if(window.opera && window.print){ // opera

    var elem = document.createElement('a');

    elem.setAttribute('href',url);

    elem.setAttribute('title',title);

    elem.setAttribute('rel','sidebar');

    elem.click();

}

else if(document.all)// ie

    window.external.AddFavorite(url, title);

}





// CHANGE QTY OF LIST BOX ON PRODUCT PAGE

function emptyList( box ) {

	// Set each option to null thus removing it

	while ( box.options.length ) box.options[0] = null;



}



// This function assigns new drop down options to the given

// drop down box from the list of lists specified



function fillList( box,total, amount  ) {



ThisQty = document.getElementById('QtyTotal').value;

NewAmount = total*1 - ThisQty*1;



	for ( i = 1; i < NewAmount+1 ; i++ ) {



		// Create a new drop down option with the

		// display text and value from arr



		option = new Option( i, i );



		// Add to the end of the existing options



		box.options[box.length] = option;

	}



	// Preselect option 0



	box.selectedIndex=0;

}



// This function performs a drop down list option change by first

// emptying the existing option list and then assigning a new set



function changeList( box, total, amount ) {



	// Next empty the slave list



	emptyList( box );



	// Then assign the new list values



	fillList( box, total, amount  );

}