JavaScript / Текст / Текст ступеньками

<script>
 /* Uphill Text effect By Website Abstraction (http://wsabstract.com) Over 400+ free scripts here! */
 function uphilltext(text){
 var temptext=text.toUpperCase()
 var size=1
  //go through the text, letter by letter
 for (i=0;i<temptext.length;i++){
  document.write(temptext.charAt(i).fontsize(size).bold())
 if (size<7) size++
 else size=1
 }
 }
 </script>
 
 
<script>
 uphilltext("Welcome to our site!")
 </script>