function ZG_glass()
	{
		if(top.currentZoomLevel!=0){
			alert(STRINGS["ZOOMGL_ZOOM_ALERT"]);
			return;
		}
		if(top.zoomLevel==1){
			alert(STRINGS["ALERT_NO_ZOOM_PAGE"]);
			return;
		}
		if(zoomGlass1.style.visibility=='visible')
		{
			ZG_hideGlass();
		}
		else
		{
			if(status==0&&top.secondZoomLayer.style.visibility!="visible"){
				 ZG_showGlass();
			}else alert(STRINGS["ZOOMGL_ZOOM_ALERT"]);
		}
	}
	function ZG_hideGlass()
	{
		if(Version==6)
		{
			zoomGlass1.style.visibility='hidden';
			zoomGlass2.style.visibility='hidden';
			view.zoomGlass1.style.visibility = 'hidden';
		}
		else
		{
			zoomGlass1.style.visibility='hidden';
		}
	}

	var ZG_preY;
	var ZG_preX;
	var ZG_curY;
	var ZG_curX;
	var glass_ratio = zoomWidth[1]/zoomWidth[0];
	ZG_glassY=100;
	ZG_glassX=125;
	ZG_isDraged=0;
	var drag_X;
	var drag_Y;
	
	function ZG_mousedown()
	{
		ZG_isDraged=1;
		ZG_preY=window.event.clientY;
		ZG_preX=window.event.clientX;
		document.onmousemove=ZG_mousemove;
	}
	function ZG_mouseup()
	{
		ZG_isDraged=0;
	
	}
	ZG_close=0;
	function ZG_mousemove()
	{
		if(ZG_isDraged==1)
		{
    		ZG_curY=window.event.clientY;
    		ZG_curX=window.event.clientX;
    		ZG_glassY+=ZG_curY-ZG_preY;
    		ZG_glassX+=ZG_curX-ZG_preX;

    		
    		if(ZG_glassX<-220) ZG_glassX=-220;
    		else if(ZG_glassX>p_width*2-220){
    			 ZG_glassX=p_width*2-220;
    		}
    		if(ZG_glassY<-170) ZG_glassY=-170;
    		else if(ZG_glassY>p_height-170) ZG_glassY=p_height-170;
    		
    		zoomGlass1.style.top=ZG_glassY;
    		zoomGlass2.style.top=ZG_glassY+20;
    		zoomGlass1.style.left=ZG_glassX;
    		zoomGlass2.style.left=ZG_glassX+20;
    		
    		drag_X = (ZG_glassX + 220) * glass_ratio ;
    		drag_Y = (ZG_glassY + 170) * glass_ratio;
    		
//    		zoomGlassFr.scrollTo(ZG_glassX*zoomWidth[1]/zoomWidth[0]+400+40,ZG_glassY*zoomHeight[1]/zoomHeight[0]+300+40);
    		zoomGlassFr.scrollTo(drag_X,drag_Y);
    		ZG_preY=ZG_curY;
    		ZG_preX=ZG_curX;
    		
    		if(ZG_glassY<50)
    		{
    			if(ZG_glassX>p_width)
    			{
        			if(ZG_close!=3)
        			{
        				closeImg1.src="design/common_images/glass/topright.gif";
        				closeImg2.src="design/common_images/glass/lefttop.gif";
            			closeImg3.src="design/common_images/glass/bottomright.gif";
            			closeImg4.src="design/common_images/glass/leftexit.gif";
        				ZG_close=3;
        			}
    				
        		}
        		else
        		{
        			if(ZG_close!=2)
        			{
        				closeImg1.src="design/common_images/glass/topright.gif";
        				closeImg2.src="design/common_images/glass/lefttop.gif";
        				closeImg3.src="design/common_images/glass/bottomexit.gif";
            			closeImg4.src="design/common_images/glass/lefttop.gif";
        				
        				ZG_close=2;
        			}
        		}
    		}
    		else 
    		{
    			if(ZG_glassX>p_width)
    			{
        			if(ZG_close!=1)
        			{
            			closeImg1.src="design/common_images/glass/topright.gif";
            			closeImg2.src="design/common_images/glass/leftexit.gif";
            			closeImg3.src="design/common_images/glass/bottomright.gif";
            			closeImg4.src="design/common_images/glass/lefttop.gif";
            			
            			ZG_close=1;
    				}
    			
    			}
    			else 
    			{
    				if(ZG_close!=0)
    				{
	    				closeImg1.src="design/common_images/glass/topexit.gif";
    					closeImg2.src="design/common_images/glass/lefttop.gif";
    					closeImg3.src="design/common_images/glass/bottomright.gif";
            			closeImg4.src="design/common_images/glass/lefttop.gif";
    					
	    				ZG_close=0;
    				}
    			}
    		}
    		ZG_closeAction();
    		return false;
    	}
	}
	function ZG_closeAction()
	{
  		if(ZG_glassY<50)
  		{
  			if(ZG_glassX>p_width)
  			{
    			if(ZG_close!=3)
    			{
    				closeImg1.src="design/common_images/glass/topright.gif";
    				closeImg2.src="design/common_images/glass/lefttop.gif";
    				closeImg3.src="design/common_images/glass/bottomright.gif";
         			closeImg4.src="design/common_images/glass/leftexit.gif";
    				
    				ZG_close=3;
    			}

    		}
    		else
    		{
    			if(ZG_close!=2)
    			{
    				closeImg1.src="design/common_images/glass/topright.gif";
    				closeImg2.src="design/common_images/glass/lefttop.gif";
    				closeImg3.src="design/common_images/glass/bottomexit.gif";
         			closeImg4.src="design/common_images/glass/lefttop.gif";
    				
    				ZG_close=2;
    			}
    		}
  		}
  		else 
  		{
  			if(ZG_glassX>p_width)
  			{
      			if(ZG_close!=1)
      			{
          			closeImg1.src="design/common_images/glass/topright.gif";
          			closeImg2.src="design/common_images/glass/leftexit.gif";
          			closeImg3.src="design/common_images/glass/bottomexit.gif";
           			closeImg4.src="design/common_images/glass/lefttop.gif";
          			
          			ZG_close=1;
    			}
    		}
    		else 
    		{
    			if(ZG_close!=0)
    			{
      			closeImg1.src="design/common_images/glass/topexit.gif";
    				closeImg2.src="design/common_images/glass/lefttop.gif";
    				closeImg3.src="design/common_images/glass/bottomright.gif";
         			closeImg4.src="design/common_images/glass/lefttop.gif";
    				
      			ZG_close=0;
    			}
    		}
    	}
	}
	function ZG_changeImg(num, action)
	{
		if(num==0&&ZG_close==0)
		{
			if(action==0) closeImg1.src='design/common_images/glass/topexit_over.gif';
			else closeImg1.src='design/common_images/glass/topexit.gif';
		}
		else if(num==1&&ZG_close==1)
		{
			if(action==0) closeImg2.src='design/common_images/glass/leftexit_over.gif';
			else closeImg2.src='design/common_images/glass/leftexit.gif';
		}
		else if(num==2&&ZG_close==2)
		{
			if(action==0) closeImg3.src='design/common_images/glass/bottomexit_over.gif';
			else closeImg3.src='design/common_images/glass/bottomexit.gif';
		}
		else if(num==3&&ZG_close==3)
		{
			if(action==0) closeImg4.src='design/common_images/glass/leftexit_over.gif';
			else closeImg4.src='design/common_images/glass/leftexit.gif';
		}
		
	}