<html> <head> <title>Тест</title> <script language="JavaScript"> function cGorod(strana_in, gorod_in) { this.gorod = gorod_in; this.strana = strana_in; } Strani = new Array(); Strani["1"] = "Германия"; Strani["2"] = "Украина"; Strani["3"] = "Франция"; Goroda = new Array(); Goroda["Берлин"] = new cGorod(1,'Берлин'); Goroda["Гамбург"] = new cGorod(1,'Гамбург'); Goroda["Бонн"] = new cGorod(1,'Бонн'); Goroda["Москва"] = new cGorod(2,'Киев'); Goroda["Санкт-Петербург"] = new cGorod(2,'Львов'); Goroda["Нижний Новгород"] = new cGorod(2,'Харьков'); Goroda["Париж"] = new cGorod(3,'Париж'); Goroda["Марсель"] = new cGorod(3,'Марсель'); Goroda["Бордо"] = new cGorod(3,'Бордо'); function addgorod(key) { document.searchfrm.gorod.length++; document.searchfrm.gorod[document.searchfrm.gorod.length-1].text = gorod[key]; document.searchfrm.gorod[document.searchfrm.gorod.length-1].value = key; } function chkkeyword(words,word) { for(a in words) { if(words[a]==word) { return true; } } return false; } function checkall(strana,gorod,i) { if (strana=="") { if(chkkeyword(Goroda[i].gorod,gorod) || gorod==999) return true; }// end if else { if (Goroda[i].strana==strana || strana==999) if(Goroda[i].gorod==gorod || gorod==999) return true; }//end else return false; } function creategorod(strana,gorod) { document.searchfrm.gorod.length=2; document.searchfrm.gorod[0].value = 999; document.searchfrm.gorod[0].text = "все"; k=1; for (i in Goroda) { if (checkall(strana,999,i)) { document.searchfrm.gorod[k].value=i; document.searchfrm.gorod[k].text=Goroda[i].gorod; document.searchfrm.gorod.length=k+2; k++; } } document.searchfrm.gorod.length=k; } function createstrana(strana,gorod) { document.searchfrm.strana.length=2; document.searchfrm.strana[0].value = 999; document.searchfrm.strana[0].text = "все"; k=1; for (i in Goroda) { if (checkall(999,gorod,i)) {if (document.searchfrm.strana[k-1].text!=Strani[Goroda[i].strana]) { document.searchfrm.strana[k].value=Goroda[i].strana; document.searchfrm.strana[k].text=Strani[Goroda[i].strana]; document.searchfrm.strana.length=k+2; k++; } } //end if }//end for document.searchfrm.strana.length=k; } function reselect(field,check) { for (i=0;i<=field.length-1;i++) { if (field[i].value==check) { field.selectedIndex = i; } } } function change(what) { var selectedStrana = document.searchfrm.strana[document.searchfrm.strana.selectedIndex].value; /*tmp = document.searchfrm.gorod.selectedIndex; if(tmp >= 0) selectedGorod = document.searchfrm.gorod[tmp].value; else selectedGorod = 0;*/ var selectedGorod = document.searchfrm.gorod[document.searchfrm.gorod.selectedIndex].value; createstrana(selectedStrana,selectedGorod); creategorod(selectedStrana,selectedGorod); reselect (document.searchfrm.strana,selectedStrana); reselect (document.searchfrm.gorod,selectedGorod); } function makelist() { document.searchfrm.strana.length = 1; document.searchfrm.strana[0].value = 999; document.searchfrm.strana[0].text = "все"; for(i in Strani) { document.searchfrm.strana.length++; l = document.searchfrm.strana.length; document.searchfrm.strana[l-1].value = i; document.searchfrm.strana[l-1].text = Strani[i]; } } </script> </head> <br> <form method=GET action="search.cgi" name="searchfrm"> <b>Страна:</b> <BR> <select style="width: 150" name=strana onChange="change()" size="1"> <option value="999">** Ошибка **</option> <option value=*></option> </select> <BR> <b>Город:</b><BR> <select style="width: 150" name=gorod onChange="change()"> <option value="999">** Ошибка **</option> <option value=*></option> </select> </form> <script language="JavaScript"> <!-- makelist(); change(); //--> </script> </body> </html>
