function plaats_scherm(){


	str1="("
	str2=")"	
	mi_sw1=0
	mi_sw2=0
	mi_sw3=0
	mi_sw_hist1=0

	document.write("<table width=100% height=100% cellspacing=0 cellpadding=0 bgcolor=#fffddd>")
	document.write("<tr>")
	document.write("<td align=left>")
	document.write("<div class=tt1><p>"+titel_pag1+"</div>")
	
// >> tabel plaatjes
	document.write("<table align=center>")
	
	for (i=0;i<3;i++){
		document.write("<tr>")
		for (j=0;j<(n_kolom1);j++){
			if (j==0){
				document.write("<td class=td1 id=td1_"+i+"_"+j+">")


				document.write("</td>")		
			}
			else{
				document.write("<td class=td1 id=td1_"+i+"_"+j+">")


				document.write("</td>")		

			}
							
		}
		document.write("</tr>")
	}
	document.write("</table>")

// >> tabel teksten

	document.write("<table align=center style=position:relative;top:-456>")
	t=0
	for (i=0;i<3;i++){
		document.write("<tr>")
		for (j=0;j<(n_kolom1);j++){
			if (j==0){
				
				if (i==0){
					document.write("<td class=td1 id=td"+i+"_"+j+">")
					document.write(sub_titel1)
				}
				if (i==1){
					document.write("<td class=td1a id=td"+i+"_"+j+"><div><img id=img1a onmouseover=f_omm1() onmouseout=f_omo1() onclick=f_ocl1() src=afb_alg/bt6b.gif></div><p><div><img id=img1b onmouseover=f_omm2() onmouseout=f_omo2() onclick=f_ocl2() src=afb_alg/bt10b.gif></div>")

				}

				if (i==2){
					document.write("<td class=td1 id=td"+i+"_"+j+">")
					document.write("<div class=dv2><a class=a1 href=overzicht_g0.htm>terug naar overzicht</a></div>")
				}

				document.write("</td>")		
			}
			else{
				t1=t+1
				if (tb_inh1[t]==1){
					if ((t%2)==0){
						document.write("<td class=td2 id=td2_"+i+"_"+j+"><div><img id=img"+t1+" src="+pd_img1+t1+"tn.jpg onclick=f_ocl3"+str1+t1+str2+" alt='click voor uitvergroting'></div>")
					}
					else{
						document.write("<td class=td3 id=td2_"+i+"_"+j+"><div><img id=img"+t1+" src="+pd_img1+t1+"tn.jpg onclick=f_ocl3"+str1+t1+str2+" alt='click voor uitvergroting'></div>")
					}
					tb1=tb_inh0[t]
					spl_tb1=tb1.split(",,")
					tb1=""
					prs_tb1=""
					for (l=0;l<(spl_tb1.length);l++){
						tb1=tb1+spl_tb1[l]
						if(l==(spl_tb1.length-1)){
							prs_tb1=prs_tb1+spl_tb1[l]
						}
						else{
							prs_tb1=prs_tb1+spl_tb1[l]+"<br>"
						}
					}
				

					document.write(prs_tb1)

				}
				else{
					if ((t%2)==0){
						document.write("<td class=td2 id=td3_"+i+"_"+j+"><div><img id=img"+t1+" src="+pd_img1+t1+"tn.jpg onclick='f_ocl3"+str1+t1+str2+"' alt='click voor uitvergroting'></div>")
					}
					else{
						document.write("<td class=td3 id=td3_"+i+"_"+j+"><div><img id=img"+t1+" src="+pd_img1+t1+"tn.jpg onclick='f_ocl3"+str1+t1+str2+"' alt='click voor uitvergroting'></div>")
					}

				}




				document.write("</td>")
	
				t=t+1	
			}
				
		}
		document.write("</tr>")
	}
	document.write("</table>")

	document.write("<table id=tb3 align=center cellspacing=0 cellpadding=0 style=position:relative;left:105;top:0>")		
		document.write("<tr>")			
		document.write("<td id=td4 class=td4 style=visibility:hidden><form name=form1><input id=txt4 class=txt4></input></form>")
		document.write("</td>")
		document.write("</tr>")
		document.write("<tr>")
		document.write("<td id=td5 class=td5 style=visibility:hidden><img style=position:relative;top:-10 id=img1c src="+pd_img1+"1.jpg>")
		document.write("</td>")
	
		document.write("</tr>")
	document.write("</table>")

	document.write("</td>")
	document.write("</tr>")
	document.write("</table>")
	
	m_img1[10]=1

	init1()
}

var mi_sw
k1=0

k=5000
j=19
mi_sw1=0


function init1(){
	if (mi_sw1==0){
		j = j - 1
		for (i=1;i<10;i++){
		
			if ((i+j-1)>n_tl1){
				
				k1=(i+j-(n_tl1+1))
				eval("img"+i+".src='"+pd_img1+k1+"tn.jpg'")
			}
			else{
				
				k1=(i+j-1)
				eval("img"+i+".src='"+pd_img1+k1+"tn.jpg'")
			}
			m_img1[i]=k1
		}
		if (j==1){
			j=(n_tl1+1)
		}
	}
	else{
		if (mi_sw1==2){
			j = j - 1

			if ((1+j-1)>n_tl1){
					
				k1=(1+j-(n_tl1+1))
				eval("img1c.src='"+pd_img1+k1+".jpg'")
			}
			else{
					
				k1=(1+j-1)
				eval("img1c.src='"+pd_img1+k1+".jpg'")
			}
			m_img1[i]=k1
			form1.txt4.value=tb_inh0[k1]
			if (j==1){
				j=(n_tl1+1)
			}
		}
	}
	Id = window.setTimeout("init1()",k)
	
}
function f_ocl1(){

if (mi_sw1==0 || mi_sw1==2){
	mi_sw_hist1=mi_sw1
	mi_sw1=1
	img1a.src='afb_alg/bt8b.gif'
}
else{
	if (mi_sw3==1){
		mi_sw1=2
		mi_sw3=0
	}
	else{
		mi_sw1=mi_sw_hist1
		img1a.src='afb_alg/bt6b.gif'
	}
}

}

function f_omm1(){
if (mi_sw1==0|| mi_sw1==2){
	img1a.src='afb_alg/bt8c.gif'
}
else{
	img1a.src='afb_alg/bt6c.gif'
}
}
function f_omo1(){
if (mi_sw1==0|| mi_sw1==2){
	img1a.src='afb_alg/bt6b.gif'
}
else{
	img1a.src='afb_alg/bt8b.gif'
}
}
function f_ocl2(){
if (mi_sw2==0){
	mi_sw2=1
	if(mi_sw1==0){
		mi_sw1=2		
	}
	if(mi_sw1==1 && mi_sw3==1){
		mi_sw1=2
	}
	mi_sw_hist1=2
	tb3.style.top=-938
	img1b.src='afb_alg/bt9c.gif'
	td4.style.visibility='visible'
	td5.style.visibility='visible'
	form1.txt4.value=tb_inh0[m_img1[i]]
	eval("img1c.src='"+pd_img1+m_img1[i]+".jpg'")

}
else{
	mi_sw2=0
	mi_sw3=0
	if(mi_sw1!=1){
		mi_sw1=0
		
	}
	mi_sw_hist1=0
	tb3.style.top=0
	img1b.src='afb_alg/bt10c.gif'
	td4.style.visibility='hidden'
	td5.style.visibility='hidden'	
}
}


function f_omm2(){
if (mi_sw2==0){
	img1b.src='afb_alg/bt9c.gif'
}
else{
	img1b.src='afb_alg/bt10c.gif'
}
}

function f_omo2(){
if (mi_sw2==0){
	img1b.src='afb_alg/bt10b.gif'
}
else{
	img1b.src='afb_alg/bt9b.gif'
}
}

function f_ocl3(i){
	tb3.style.top=-938

	mi_sw1=1
	mi_sw2=1
	mi_sw3=1
	img1a.src='afb_alg/bt8b.gif'
	img1b.src='afb_alg/bt9b.gif'

	td4.style.visibility='visible'
	td5.style.visibility='visible'
	form1.txt4.value=tb_inh0[m_img1[i]]
	eval("img1c.src='"+pd_img1+m_img1[i]+".jpg'")
	
}