function onSubmit() 
		{	
	
	var brand = document.form1.txt_brand.value;
	var category = document.form1.txt_category.value;
	var price = document.form1.txt_price.value;
	
	
   
document.form1.action="Search.asp?brand=" + brand + "&category=" + category + "&price=" + price;
 
}