function cretasup() {
	document.write('		 <MAP NAME="map1">');
	document.write('                     <AREA SHAPE=RECT COORDS="2,14,19,760" HREF="Etages/Cretace.htm">');
	document.write('                     <AREA SHAPE=RECT COORDS="22,659,97,760" HREF="Etages/Cenomanien.htm">');
	document.write('                     <AREA SHAPE=RECT COORDS="22,557,97,655" HREF="Etages/Turonien.htm">');
	document.write('                     <AREA SHAPE=RECT COORDS="22,14,34,554" HREF="Etages/Senonien.htm">');
	document.write('                     <AREA SHAPE=RECT COORDS="37,529,97,554" HREF="Etages/Coniacien.htm">');
	document.write('                     <AREA SHAPE=RECT COORDS="37,427,97,527" HREF="Etages/Santonien.htm">');
	document.write('                     <AREA SHAPE=RECT COORDS="37,196,97,424" HREF="Etages/Campanien.htm">');
	document.write('                     <AREA SHAPE=RECT COORDS="37,14,97,193" HREF="Etages/Maastrichtien.htm">');
	if (is_ie5 || is_ie6)
		document.write('                  </MAP><IMG USEMAP="#map1" SRC="Images/cretasup.GIF" WIDTH=100 HEIGHT=785 BORDER=0 ALIGN="top">');
	else
		document.write('                  </MAP><IMG USEMAP="#map1" SRC="Images/cretasup.PNG" WIDTH=100 HEIGHT=785 BORDER=0 ALIGN="top">')
}

function cretainf() {
	document.write('		<MAP NAME="map1">');
	document.write('   		    <AREA SHAPE=RECT COORDS="2,14,19,759" HREF="Etages/Cretace.htm">');
	document.write('   		    <AREA SHAPE=RECT COORDS="22,683,97,759" HREF="Etages/Berriasien.htm">');
	document.write('   		    <AREA SHAPE=RECT COORDS="22,530,97,681" HREF="Etages/Valanginien.htm">');
	document.write('   		    <AREA SHAPE=RECT COORDS="22,415,97,528" HREF="Etages/Hauterivien.htm">');
	document.write('   		    <AREA SHAPE=RECT COORDS="22,339,97,413" HREF="Etages/Barremien.htm">');
	document.write('   		    <AREA SHAPE=RECT COORDS="22,242,97,336" HREF="Etages/Aptien.htm">');
	document.write('   		    <AREA SHAPE=RECT COORDS="22,14,97,240" HREF="Etages/Albien.htm">');
	if (is_ie5 || is_ie6)
		document.write('   		</MAP><IMG USEMAP="#map1" SRC="Images/cretainf.GIF" WIDTH=100 HEIGHT=784 BORDER=0 ALIGN="top">');
	else
		document.write('   		</MAP><IMG USEMAP="#map1" SRC="Images/cretainf.PNG" WIDTH=100 HEIGHT=784 BORDER=0 ALIGN="top">');
}

function malm() {
	document.write('		 <MAP NAME="map1">');
	document.write('		    <AREA SHAPE=RECT COORDS="2,14,19,759" HREF="Etages/Malm.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="22,447,97,760" HREF="Etages/Oxfordien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="22,251,97,444" HREF="Etages/Kimmeridgien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="22,14,97,248" HREF="Etages/Tithonien.htm">');
	if (is_ie5 || is_ie6)
		document.write('		 </MAP><IMG USEMAP="#map1" SRC="Images/malm.GIF" WIDTH=100 HEIGHT=784 BORDER=0 ALIGN="top">');
	else
		document.write('		 </MAP><IMG USEMAP="#map1" SRC="Images/malm.PNG" WIDTH=100 HEIGHT=784 BORDER=0 ALIGN="top">');
}

function dogger() {
	document.write('		 <MAP NAME="map1">');
	document.write('		    <AREA SHAPE=RECT COORDS="2,14,20,758" HREF="Etages/Dogger.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="22,582,97,759" HREF="Etages/Aalenien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="22,370,97,580" HREF="Etages/Bajocien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="22,227,97,367" HREF="Etages/Bathonien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="22,14,97,225" HREF="Etages/Callovien.htm">');
	if (is_ie5 || is_ie6)
		document.write('		 </MAP><IMG USEMAP="#map1" SRC="Images/dogger.GIF" WIDTH=100 HEIGHT=784 BORDER=0 ALIGN="top">');
	else
		document.write('		 </MAP><IMG USEMAP="#map1" SRC="Images/dogger.PNG" WIDTH=100 HEIGHT=784 BORDER=0 ALIGN="top">');
}

function lias() {
	document.write('		 <MAP NAME="map1">');
	document.write('		    <AREA SHAPE=RECT COORDS="1,13,19,759" HREF="Etages/Lias.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="22,680,97,759" HREF="Etages/Hettangien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="22,441,97,677" HREF="Etages/Sinemurien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="22,253,98,438" HREF="Etages/Pliensbachien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="22,14,97,251" HREF="Etages/Toarcien.htm">');
	if (is_ie5 || is_ie6)
		document.write('		 </MAP><IMG USEMAP="#map1" SRC="Images/lias.GIF" WIDTH=100 HEIGHT=784 BORDER=0 ALIGN="top">');
	else
		document.write('		 </MAP><IMG USEMAP="#map1" SRC="Images/lias.PNG" WIDTH=100 HEIGHT=784 BORDER=0 ALIGN="top">');
}

function triapri() {
	document.write('		 <MAP NAME="map1">');
	document.write('		    <AREA SHAPE=RECT COORDS="2,580,97,759" HREF="Etages/Devonien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="2,357,97,566" HREF="Etages/Carbonifere.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="2,192,97,344" HREF="Etages/Permien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="2,14,18,179" HREF="Etages/Trias.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="21,165,97,179" HREF="Etages/Indusien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="21,149,97,163" HREF="Etages/Olenekien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="21,124,97,146" HREF="Etages/Anisien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="21,112,97,122" HREF="Etages/Ladinien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="21,76,97,110" HREF="Etages/Carnien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="21,26,97,75" HREF="Etages/Norien.htm">');
	document.write('		    <AREA SHAPE=RECT COORDS="21,14,98,24" HREF="Etages/Rhetien.htm">');
	if (is_ie5 || is_ie6)
		document.write('		 </MAP><IMG USEMAP="#map1" SRC="Images/triapri.GIF" WIDTH=100 HEIGHT=784 BORDER=0 ALIGN="top">');
	else
		document.write('		 </MAP><IMG USEMAP="#map1" SRC="Images/triapri.PNG" WIDTH=100 HEIGHT=784 BORDER=0 ALIGN="top">');
}