function swopimage(img_name, img_src)
   {
   document[img_name].src = img_src;
   }
   
function preloaddata()
	{
	if (document.images) 
		{
   		dimg1 = new Image();
   		dimg2 = new Image();
		dimg3 = new Image();
		dimg4 = new Image();
		dimg5 = new Image();
		dimg6 = new Image();
		dimg7 = new Image();
		dimg8 = new Image();
		dimg9 = new Image();
		dimg10 = new Image();
		dimg11 = new Image();
   		dimg12 = new Image();
		dimg13 = new Image();
		dimg14 = new Image();
		dimg15 = new Image();
		dimg16 = new Image();
		dimg17 = new Image();
		dimg18 = new Image();
		dimg19 = new Image();
		dimg20 = new Image();
		dimg21 = new Image();
   		dimg22 = new Image();
		dimg23 = new Image();
		dimg24 = new Image();
		dimg25 = new Image();
		dimg26 = new Image();
		dimg27 = new Image();
		dimg28 = new Image();
		dimg29 = new Image();
		dimg30 = new Image();
		dimg31 = new Image();
   		dimg32 = new Image();
		dimg33 = new Image();
		dimg34 = new Image();
		dimg35 = new Image();
		dimg36 = new Image();
		dimg1.src = "../image/row1.jpg";
   		dimg2.src = "image/row2a.jpg";
		dimg3.src = "image/row2a_chla.jpg";
		dimg4.src = "image/row2b.jpg";
		dimg5.src = "imagerow2c.jpg";
		dimg6.src = "image/row2c_chla.jpg";
		dimg7.src = "image/row3a.jpg";
		dimg8.src = "image/row3a_chla.jpg";
		dimg9.src = "image/row3b.jpg";
		dimg10.src = "image/row3b_chla.jpg";
		dimg11.src = "image/row3c.jpg";
   		dimg12.src = "image/row3c_chla.jpg";
		dimg13.src = "image/row3d.jpg";
		dimg14.src = "image/row3d_chla.jpg";
		dimg15.src = "image/row3e.jpg";
		dimg16.src = "image/row3f.jpg";
		dimg17.src = "image/row3f_chla.jpg";
		dimg18.src = "image/row4a.jpg";
		dimg19.src = "image/row4b.jpg";
		dimg20.src = "image/row4b_chla.jpg";
		dimg21.src = "image/row4c.jpg";
   		dimg22.src = "image/row4d.jpg";
		dimg23.src = "image/row4d_chla.jpg";
		dimg24.src = "image/row5a.jpg";
		dimg25.src = "image/row5a_chla.jpg";
		dimg26.src = "image/row5b.jpg";
		dimg27.src = "image/row5c.jpg";
		dimg28.src = "image/row5c_chla.jpg";
		dimg29.src = "image/row6a.jpg";
		dimg30.src = "image/row6a_chla.jpg";
		dimg31.src = "image/row6b.jpg";
   		dimg32.src = "image/row6b_chla.jpg";
		dimg33.src = "image/row6c.jpg";
		dimg34.src = "image/row6c_chla.jpg";
		dimg35.src = "image/row6d.jpg";
		dimg36.src = "image/row7.jpg";
		}
	}

function allswop(varflag)
 {
	switch (varflag)
	{
	case 0:
		document['Maurit'].src = 'image/row2a_chla.jpg'
		document['NSomalia'].src = 'image/row2c_chla.jpg'
		document['Sen'].src = 'image/row3a_chla.jpg'
		document['Cote'].src = 'image/row3b_chla.jpg'
		document['Guin'].src = 'image/row3c_chla.jpg'
		document['Nig'].src = 'image/row3d_chla.jpg'
		document['SSomalia'].src = 'image/row3f_chla.jpg'
		document['Ang'].src = 'image/row4b_chla.jpg'
		document['Tan'].src = 'image/row4d_chla.jpg'
		document['Nam'].src = 'image/row5a_chla.jpg'
		document['MChannel'].src = 'image/row5c_chla.jpg'
		document['WSA'].src = 'image/row6a_chla.jpg'
		document['SSA'].src = 'image/row6b_chla.jpg'
		document['ESA'].src = 'image/row6c_chla.jpg'
		break
	default:
		document['Maurit'].src = 'image/row2a.jpg'
		document['NSomalia'].src = 'image/row2c.jpg'
		document['Sen'].src = 'image/row3a.jpg'
		document['Cote'].src = 'image/row3b.jpg'
		document['Guin'].src = 'image/row3c.jpg'
		document['Nig'].src = 'image/row3d.jpg'
		document['SSomalia'].src = 'image/row3f.jpg'
		document['Ang'].src = 'image/row4b.jpg'
		document['Tan'].src = 'image/row4d.jpg'
		document['Nam'].src = 'image/row5a.jpg'
		document['MChannel'].src = 'image/row5c.jpg'
		document['WSA'].src = 'image/row6a.jpg'
		document['SSA'].src = 'image/row6b.jpg'
		document['ESA'].src = 'image/row6c.jpg'
		break
	}
	}

function winpop_open(dataname,windowname)
	{
	window.open(dataname,windowname,"status=1,scrollbars=1,height=500,width=1050,screenX=150,screenY=150,top=150,left=150")
	}