if (res == 1) {
   document.write("<LINK rel=stylesheet href=\"locaties_css/overcinge1.css\" type=\"text/css\">"); }

else if (res == 2) {
   document.write("<LINK rel=stylesheet href=\"locaties_css/overcinge2.css\" type=\"text/css\">"); }

else if (res == 3) {
   document.write("<LINK rel=stylesheet href=\"locaties_css/overcinge3.css\" type=\"text/css\">"); }

else if (res == 4) {
   document.write("<LINK rel=stylesheet href=\"locaties_css/overcinge4.css\" type=\"text/css\">"); }

else if (res == 5) {
   document.write("<LINK rel=stylesheet href=\"locaties_css/overcinge5.css\" type=\"text/css\">"); }