fun! SqlDeCaps()
python << EOF
import sys
import vim 
cb = vim.current.buffer
header=[
"DECLARE"  
,"SELECT"
,"CURSOR" 
,"ORDER BY"  
,"AND"
,"BOOLEAN"
,"END" 
,"EXCEPTION" 
,"UNION"  
,"EXIT"  
,"FETCH" 
,"FROM"
,"INTO"
,"LIKE"
,"LOOP" 
,"NUMBER"
,"OPEN" 
,"SET"
,"TO_CHAR"
,"TO_DATE"
,"INSTR" 
,"SUBSTR" 
,"VARCHAR2"
,"WHERE"
,"WHILE" 
]
for i in header:
        try:
                vim.command("%s/"+i+"/"+i.lower()+"/g")
        except:
                pass
EOF
endfun