function set_calculate(){
	total_base_price = 0;
	set_price = 0;
	total_qty = 0;
	
	for(var j=0; j<(document.add_cart_form.length); j++){
		if(document.add_cart_form.elements[j].name){
			indx = document.add_cart_form.elements[j].name.indexOf('regular_price_');
			if (indx != -1 && parseInt(document.add_cart_form.elements[j-2].value)>0){
				base_price = parseFloat(document.add_cart_form.elements[j-1].value);
				qty = parseInt(document.add_cart_form.elements[j-2].value);
				
				total_base_price += qty * base_price;
			}
		}
	}	

	if(total_base_price > 500 && total_base_price < 1000){
		pct = 0.95;
	}
	else if(total_base_price >= 1000 && total_base_price < 1500){
		//pct = 0.065;
		pct = 0.95;
	}
	else if(total_base_price >= 1500){
		//pct = 0.08;
		pct = 0.95;
	}

	else {
		pct = 1.00;
	}	
	
	if(document.add_cart_form.product_id.value == '70068DP'){
		pct = 0.888;
	}		
	
	if(document.add_cart_form.product_id){
		product_id = parseInt(document.add_cart_form.product_id.value);
		if(product_id < 70000 || product_id > 79999){
			pct = 1.00;
		}
	}
	
	for(var j=0; j<(document.add_cart_form.length); j++){
		if(document.add_cart_form.elements[j].name){
			indx = document.add_cart_form.elements[j].name.indexOf('regular_price_');
			if (indx != -1 && parseInt(document.add_cart_form.elements[j-2].value)>0){
				qty = parseInt(document.add_cart_form.elements[j-2].value);
				total_qty += qty;
			}
		}
	}
	if(total_qty < 2){
		pct = 1.00;
	}
	
	for(var j=0; j<(document.add_cart_form.length); j++){
		if(document.add_cart_form.elements[j].name){
			indx = document.add_cart_form.elements[j].name.indexOf('regular_price_');
			if (indx != -1 && parseInt(document.add_cart_form.elements[j-2].value)>0){
				regular_price = parseFloat(document.add_cart_form.elements[j].value);
				qty = parseInt(document.add_cart_form.elements[j-2].value);
				
				set_price += qty * Math.ceil(regular_price * pct);
			}
		}
	}	
	
	
	document.add_cart_form.set_price.value = '$' + set_price + '.00';
}