function height_block()
	{
		var left=$('#left').height();
		var center=$('#center').height();
		var right=$('#right').height();
		if(center>left&&center>right)var height=$('#center').height();
		if(left>center&&left>right)var height=$('#left').height();
		if(right>center&&right>left)var height=$('#right').height();
		$('#right').height(height);
		$('#left').height(height);
		$('#center').height(height);	
	}
	function bascket(session)
	{
		var dataString = 'session='+session;
		$.ajax
		({
			type: "POST",
			url: "/incmodules/bascket.php",
			data: dataString,
			cache: false,
			success: function(html)
			{
				$("#bascket2").html(html);
			}
		});
	}
	
	function compare(session, cat_id)
	{
		
		var dataString = 'session='+session+'&cat_id='+cat_id;//alert(dataString);
		$.ajax
		({
			type: "POST",
			url: "/incmodules/compare_tb.php",
			data: dataString,
			cache: false,
			success: function(html)
			{
				$("#compare").html(html);
			}
		});
	}

	function windowHeight()
	{
		var de = document.documentElement;
		return self.innerHeight || ( de && de.clientHeight ) || document.body.clientHeight;
	}
	function windowWidth()
	{
		var de = document.documentElement;
		return self.innerWidth || ( de && de.clientWidth ) || document.body.clientWidth;
	}
	var height=windowHeight();
	var width=windowWidth();
	$(document).ready(function()
	{		
		$('#backstretch img').css('width', width+'px');
		$('#backstretch img').css('height', height+'px');
					
		$(window).bind('resize', function(){
			var height=windowHeight();
			var width=windowWidth();
			$('#backstretch img').css('width', width+'px');
			$('#backstretch img').css('height', height+'px');
		});
	});