var i 			= 0;

	var zin_click	= 0;
	var zou_click	= 0;

	var m_ih 		= 0;
	var	m_iw 		= 0;
	var o_ih 		= 0;
	var o_iw 		= 0;
	
	function slideBox_position()
	{
		document.getElementById('slideBox').style.visibility = "hidden";
		document.getElementById("slideCaption").style.visibility = "hidden";
		document.getElementById('slideBox').style.top 		 = document.body.scrollTop + 15 +'px';
	}
	
	//window.onscroll = slideBox_position;
	
	function load_show(picName, picWidth, picHeight)
	{
		var l_width  	= ((screen.availWidth -760)/2);
		var l_height 	= ((screen.availHeight-595)/2);
		
		document.getElementById('slideBox').style.left 		= (l_width - 10) + 'px';
		slideBox_position();
				
		document.getElementById('slideName').innerHTML 		= "Tsozum Tours & Travels - Photo Gallery - " + "<font style='color : #BF06CE; text-transform: capitalize; font-size: 13px'>" + document.getElementById('hdr').innerHTML + "</font>";
		document.getElementById('slideImgPos').style.top 	= ((544 - parseInt(picHeight)) / 2)+2;
		document.getElementById('slideImgPos').style.left 	= ((754 - parseInt(picWidth)) / 2);
	
			for ( var ix = 0; ix < (document.getElementById("listImg").length)-1; ix++)
			{
				if( picName == document.getElementById("listImg").options[ix].text)
				{
					i = ix;
					break;
				}
			}
			
		document.getElementById('slideBox').style.visibility= "visible";
		ShowCaption();
	}

	function hide_show()
	{
		if (document.getElementById('slideBox').style.visibility == "visible")
		{			
			document.getElementById("slideCaption").style.visibility = "hidden";
			document.getElementById('slideBox').style.visibility 	 = "hidden";
		}
	}
		
	function FirstSlide()
	{	
		if (i !== 0)
		{
			i = 0;
			get_pic_dimension(document.getElementById("listImg").options[i].text);
		}
	}

	function PrevSlide()
	{	
		if (i > 0)
		{
			i = i-1;
			get_pic_dimension(document.getElementById("listImg").options[i].text);
		}
	}

	function NextSlide()
	{
		if (i < ((document.getElementById("listImg").length)-1))
		{
			i = i + 1;
			get_pic_dimension(document.getElementById("listImg").options[i].text);
		}
	}
	
	function LastSlide()
	{
		if (i !== (document.getElementById("listImg").length)-1)
		{
			i = (document.getElementById("listImg").length)-1;
			get_pic_dimension(document.getElementById("listImg").options[i].text);
		}
	}

	//Slide's Hide, Width and positioning
	function get_pic_dimension(pic_path)
	{
		for ( var j = 0; j < (document.getElementById("dimImg").length); j++)
		{	
			//document.imgLarge.src = "./photo_gallery/space.gif";
			if( pic_path == document.getElementById("dimImg").options[j].value)
			{   
				var txt 	 = document.getElementById("dimImg").options[j].text;
				var picWidth = txt.substring(0, txt.indexOf(",")) ;
				var picHeight= txt.substring(txt.indexOf(",")+1, txt.length);
				
				document.imgLarge.filters[0].Apply();		
				document.imgLarge.src 			= pic_path;
				document.imgLarge.style.width 	= picWidth;
				document.imgLarge.style.height 	= picHeight;
				
				document.getElementById('slideImgPos').style.top  = ((544 - parseInt(picHeight)) / 2) + 2;
				document.getElementById('slideImgPos').style.left = ((754 - parseInt(picWidth)) / 2);								
				document.imgLarge.filters[0].Play();
			
				for(var k = 0; k< document.getElementById("capImg").options.length; k++)
				{
					if( document.getElementById("capImg").options[k].value == pic_path)
					{
						document.getElementById("slideCaption").innerHTML 	= (document.getElementById("capImg").options[j].text);
					}
				}
				//init the config
				zin_click = zou_click = m_ih = m_iw = o_ih = o_iw = 0;				
				//break;				
			}			
		}		
	}

	//Slide's Caption	
	function ShowCaption()
	{
		if (document.getElementById("slideCaption").style.visibility == "visible")
		{
			document.getElementById("slideCaption").style.visibility = "hidden";
		}
		else
		{
			document.getElementById("slideCaption").style.visibility = "visible";
		}
	}

	function init_imgmaxmin()
	{
		if (zin_click == 0 && zou_click == 0 )
		{
			zin_click += 1;
			zou_click += 1;
						
			m_ih = parseInt(document.imgLarge.style.pixelHeight) * 1.4 * 2;
			m_iw = parseInt(document.imgLarge.style.pixelWidth)  * 1.4 * 2;
			
			o_ih = parseInt(document.imgLarge.style.pixelHeight);
			o_iw = parseInt(document.imgLarge.style.pixelWidth);
		}		
	}
	
	//Zoom In
	function ZoomIn()
	{
		init_imgmaxmin();
		if ( (parseInt(m_iw) > parseInt(document.imgLarge.style.pixelWidth)) && (parseInt(m_ih) > parseInt(document.imgLarge.style.pixelHeight)) )
		{
			document.imgLarge.style.pixelWidth	= document.imgLarge.style.pixelWidth  * 1.4;
			document.imgLarge.style.pixelHeight	= document.imgLarge.style.pixelHeight * 1.4;
			document.getElementById('slideImgPos').style.left = ((754 - parseInt(document.imgLarge.style.pixelWidth)) / 2);
			document.getElementById('slideImgPos').style.top  = ((544 - parseInt(document.imgLarge.style.pixelHeight)) / 2);			
		}
	}
	
	//Zoom Out
	function ZoomOut()
	{
		init_imgmaxmin();
		
		if ( (parseInt(o_iw) < parseInt(document.imgLarge.style.pixelWidth)) && (parseInt(o_ih) < parseInt(document.imgLarge.style.pixelHeight)) )		
		{
			document.imgLarge.style.pixelWidth	= document.imgLarge.style.pixelWidth  / 1.4;
			document.imgLarge.style.pixelHeight	= document.imgLarge.style.pixelHeight / 1.4;
			document.getElementById('slideImgPos').style.left = ((754 - parseInt(document.imgLarge.style.pixelWidth)) / 2);
			document.getElementById('slideImgPos').style.top  = ((544 - parseInt(document.imgLarge.style.pixelHeight)) / 2);			
		}
	}