// JavaScript Document

	function prd_search()
	{
		var str = document.form1.prod_search.value;
		if(Trim(str) == 0)		
		{
			alert("Please Enter Text to Search");
			document.form1.prod_search.focus();
			document.form1.prod_search.select();
			return false;
		}
		else
		{
			document.form1.action = "../shop/prod_search.jsp?prod_search="+str;
			document.form1.submit();
			return true;
		}
	}

// Trims all spaces to the left of a specific string
	function LTrim(str)
	{
			var whitespace = new String(" \t\n\r "); 
			var s = new String(str);
			if (whitespace.indexOf(s.charAt(0)) != -1) {
				var j=0, i = s.length;
				while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
					j++;
				s = s.substring(j, i);
			}
			return s;
	}
	// Trims all spaces to the right of a specific string
	function RTrim(str)
	{
			var whitespace = new String(" \t\n\r "); 
			var s = new String(str);
			if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
				var i = s.length - 1;       // Get length of string
				while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
					i--;
				s = s.substring(0, i+1);
			}
			return s;
	}
	
	// Trims all spaces to the left and right of a specific string by calling RTim and LTrim
	function Trim(str)
	{
			return RTrim(LTrim(str));
	}