function puchase_mouseover() {
  document.purchase.src="images/purchase_2.jpg"
}
function puchase_mouseout() {
  document.purchase.src="images/purchase.jpg"
}

function metres_to_yards() {
  //INSERT FUNCTION TO CONVERT METRES TO YARDS FOR THE FABRICS ORDERS
}

function test(){
						
						var a=new Array();
						a=document.getElementsByName('sizes[]');
						var p=0;
						for(i=0;i<a.length;i++){
							if(a[i].checked){
								p=1;
							}
						}
						if (p==0){
							alert('please select at least one check box');
							return false;
						}		
						self.document.forms['options'].submit();
						return true;
					}