function bbsc( nombre ) {

var bsc=new Array();   
bsc[0]="google";
bsc[1]="msn";
bsc[2]="yahoo";
bsc[3]="ask";  
bsc[4]="7search";
bsc[5]="live";
bsc[6]="alltheweb";
bsc[7]="altavista";
bsc[8]="aol";
bsc[9]="ask";  
bsc[10]="terra";
bsc[11]="search";
bsc[12]="enhance";
bsc[13]="entireweb";
bsc[14]="ePilot";
bsc[15]="excite";
bsc[16]="findwhat";
bsc[17]="galaxy";
bsc[18]="go.com";
bsc[19]="hotbot";
bsc[20]="icqsearch";
bsc[21]="isleuth";
bsc[22]="iwon";
bsc[23]="ixquick";
bsc[24]="jayde";
bsc[25]="kanoodle";
bsc[26]="looksmart";
bsc[27]="lycos";
bsc[28]="bing";
bsc[29]="metacrawler";
bsc[30]="netscape";
bsc[31]="search";
bsc[32]="teoma";
bsc[33]="webcrawler";
bsc[34]="chiletelevisiondigital";

var i;
   

var matchPos1 = nombre.indexOf("image");
if(matchPos1!=-1){
return -1;
}





for (i=0;i<=34;i++) {

var matchPos1 = nombre.indexOf(bsc[i]);
if(matchPos1!=-1){
return matchPos1;
}

}




return matchPos1;

}