function getSelectionText(selectObj){



	return selectObj.options[selectObj.selectedIndex].text


}



  function compute(form) {

if((form.convert.value==null)||(form.convert.value=="")||(isNaN(form.convert.value))){
alert('Please enter the value to convert.');

return false;
}


var Con = 1*form.convert.value;


var Unit=getSelectionText(form.pressure);

if(Unit=="mm Hg(0 C)") form.result.value=1*Con+" mm Hg(0 C)\r"+1.000000142*Con+" Torr\r"+1.36*Con+" cm H2O(4 C)\r"+0.133*Con+" kPa\r"+0.0193*Con+" PSI";

if(Unit=="Torr") form.result.value=0.999999857*Con+" mm Hg(0 C)\r"+1*Con+" Torr\r"+1.36*Con+" cm H2O(4 C)\r"+0.133*Con+" kPa\r"+0.0193*Con+" PSI";

if(Unit=="cm H2O(4 C)") form.result.value=0.735538923*Con+" mm Hg(0 C)\r"+0.735538923*Con+" Torr\r"+1*Con+" cm H2O(4 C)\r"+0.098063791*Con+" kPa\r"+0.01422295*Con+" PSI";

if(Unit=="kPa") form.result.value=7.500616827*Con+" mm Hg(0 C)\r"+7.500616827*Con+" Torr\r"+10.1974438*Con+" cm H2O(4 C)\r"+1*Con+" kPa\r"+0.145037738*Con+" PSI";

if(Unit=="PSI") form.result.value=51.71493257*Con+" mm Hg(0 C)\r"+51.71493257*Con+" Torr\r"+70.3089*Con+" cm H2O(4 C)\r"+6.894757293*Con+" kPa\r"+1*Con+" PSI";

}