function splits_gegevens(){

	for(i=0;i<n_jr1+1;i++){
		jr1[i]=2005+n_jr1-i
	}

	for (i=0;i<n_jr1+1;i++){
		tb_bt1[i]=jr1[i]
	}

tb_bt1[n_jr1+1]="Overzicht"
tb_bt1[n_jr1+2]="Programma printen"
tb_bt1[n_jr1+3]="Terug naar overzicht"
tb_bt1[n_jr1+4]="Home"
	for (k=n_jr1;k>-1;k--){
		t=0
		sw=0
		for (i=0;i<1;i++){
			for (j=1;j<n_rij1[i];j++){
				ifstr1=eval("jr1[k]==tb_inh_"+type1[i]+"0[j]")
				if (ifstr1){
					if(sw==0){
						mi_exp_jr1[k]=j
						sw=1
					}
					for (l=1;l<n_kolom1+1;l++){
						if(l<n_kolom1){
							eval("tb_inh_jr"+k+"_"+l+"[t]=tb_inh_"+type1[i]+l+"[j]")
						}
						else{
							eval("tb_inh_jr"+k+"_"+l+"[t]="+j+"+''")	
						}
					}
					t+=1				
				}

			}
					
		}
		n_tb_jr1[k]=t
	}
	t=0
	k1=n_jr1+1
	for (i=0;i<1;i++){
		for (j=n_rij1[i]-1;j>0;j--){
				
			for (l=1;l<n_kolom1+1;l++){
				if(l<n_kolom1){
					eval("tb_inh_jr"+k1+"_"+l+"[t]=tb_inh_"+type1[i]+l+"[j]")
				}
				else{
					eval("tb_inh_jr"+k1+"_"+l+"[t]="+j+"+''")	
				}
			}
			t+=1				

		}
			
	}
	n_tb_jr1[k1]=t	
}